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09 06 Monitoring Index Usage
 
04:27
ORACLE
Views: 109 oracle ocm
10 10 Monitoring Index Usage
 
02:15
ORACLE
Views: 91 oracle ocm
oracle interview question oracle index and types of index
 
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Oracle Interview Question - oracle index related questions Description: Oracle Interview Question - oracle index related questions 1. What is Index? How to create index? 2. What are the types of index? 3. How to find the list of indexes for a given table? 4. Explain B-tree index 5. Explain Bitmap index 6. Explain "Function based" index 7. Explain "Reverse Key" index 8. When to choose what type of index? 9. How to know index is being used? 10. How to monitor index usage? 11. What are the advantages/drawbacks of indes? List of all the SQL and PLSQL interview questions @ https://easy-learning-tech.blogspot.com/p/oracle-sql-plsql-interview-questions.html
Views: 208 Siva Academy
oracle interview question oracle BITMAP index
 
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Oracle Interview Question - oracle index related questions 1. What is Index? How to create index? 2. What are the types of index? 3. How to find the list of indexes for a given table? 4. Explain B-tree index 5. Explain Bitmap index 6. Explain "Function based" index 7. Explain "Reverse Key" index 8. When to choose what type of index? 9. How to know index is being used? 10. How to monitor index usage? 11. What are the advantages/drawbacks of indexes? Click here to subscribe to my youtube channel http://www.youtube.com/channel/UCBt6VrxAIb5jLh9HLDcdwtQ?sub_confirmation=1 Oracle Interview questions and Answers at https://www.youtube.com/playlist?list=PLb1qVSx1k1Vr0v4wVyvT3GEuA0J0M4xBm Oracle 18C New features at https://www.youtube.com/playlist?list=PLb1qVSx1k1Vqe06V1tIBcvnslMPWX69bW Oracle 12C New features at https://www.youtube.com/playlist?list=PLb1qVSx1k1VqM1u2IHWzZIgziqejl6wx- Oracle PLSQL records and collections at https://www.youtube.com/playlist?list=PLb1qVSx1k1VpAFTXopXvAh_D3PLcTntdm
Views: 84 Siva Academy
Global Index rebuild scenario in Oracle Database 11g
 
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Why and How we need to rebuild global Index in Oracle 11g
Views: 2901 Athar Fahad
oracle interview question reverse key index
 
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Description: Oracle Interview Question - oracle index related questions 1. What is Index? How to create index? 2. What are the types of index? 3. How to find the list of indexes for a given table? 4. Explain B-tree index 5. Explain Bitmap index 6. Explain "Function based" index 7. Explain "Reverse Key" index 8. When to choose what type of index? 9. How to know index is being used? 10. How to monitor index usage? 11. What are the advantages/drawbacks of indexes? Click here to subscribe to my youtube channel http://www.youtube.com/channel/UCBt6VrxAIb5jLh9HLDcdwtQ?sub_confirmation=1 Oracle Interview questions and Answers at https://www.youtube.com/playlist?list=PLb1qVSx1k1Vr0v4wVyvT3GEuA0J0M4xBm Oracle 18C New features at https://www.youtube.com/playlist?list=PLb1qVSx1k1Vqe06V1tIBcvnslMPWX69bW Oracle 12C New features at https://www.youtube.com/playlist?list=PLb1qVSx1k1VqM1u2IHWzZIgziqejl6wx- Oracle PLSQL records and collections at https://www.youtube.com/playlist?list=PLb1qVSx1k1VpAFTXopXvAh_D3PLcTntdm
Views: 59 Siva Academy
Oracle Interview Question oracle index related questions
 
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Description: Oracle Interview Question - oracle index related questions 1. What is Index? How to create index? 2. What are the types of index? 3. How to find the list of indexes for a given table? 4. Explain B-tree index 5. Explain Bitmap index 6. Explain "Function based" index 7. Explain "Reverse Key" index 8. When to choose what type of index? 9. How to know index is being used? 10. How to monitor index usage? 11. What are the advantages/drawbacks of indes? List of all the SQL and PLSQL interview questions @ https://easy-learning-tech.blogspot.com/p/oracle-sql-plsql-interview-questions.html
Views: 212 Siva Academy
Oracle index creation monitoring
 
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Analyzing an Oracle index creation with d.side - Automatic diagnostic for Oracle databases performance and troubleshooting http://www.dside-software.com Copyright (c) d.side software
Views: 207 D.SIDE SOFTWARE
SQL Advanced #9: INSERTs into Clustered Indexes
 
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In this session we learn how SQL Server exactly handels inserts into clustered indexes. Learn about page splits and efficiency.
Views: 647 SQL TV
Performance Tuning of SGA using AMM in oracle 11gR2
 
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Hello friends in my today scenario i briefly explain how to manage and tune automatically SGA AND PGA via Automatic memory management feature that is release in 11gR2. #PerformanceTuning #SGA #AMM
Views: 6664 Oracle World
Reference partitioning in Oracle 11g
 
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The video explains Reference partitioning and its advantages in Oracle with real project example. It builds on the limitations of reference partitioning in oracle 11g (Interval partitioning) and scenarios where you should implement reference partitioning
Views: 1412 Tech Coach
Oracle Indexes - Beginner
 
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Oracle Indexes - Beginner
Views: 64504 Chris Ostrowski
Oracle Interview Question - oracle index related questions - BTREE index in oracle
 
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Oracle Interview Question - oracle index related questions 1. What is Index? How to create index? 2. What are the types of index? 3. How to find the list of indexes for a given table? 4. Explain B-tree index 5. Explain Bitmap index 6. Explain "Function based" index 7. Explain "Reverse Key" index 8. When to choose what type of index? 9. How to know index is being used? 10. How to monitor index usage? 11. What are the advantages/drawbacks of indes? List of all the SQL and PLSQL interview questions @ https://easy-learning-tech.blogspot.com/p/oracle-sql-plsql-interview-questions.html
Views: 98 Siva Academy
oracle interview question index related questions
 
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Oracle Interview Question - oracle index related questions Description: Oracle Interview Question - oracle index related questions 1. What is Index? How to create index? 2. What are the types of index? 3. How to find the list of indexes for a given table? 4. Explain B-tree index 5. Explain Bitmap index 6. Explain "Function based" index 7. Explain "Reverse Key" index 8. When to choose what type of index? 9. How to know index is being used? 10. How to monitor index usage? 11. What are the advantages/drawbacks of indexes? Click here to subscribe to my youtube channel http://www.youtube.com/channel/UCBt6VrxAIb5jLh9HLDcdwtQ?sub_confirmation=1 Oracle Interview questions and Answers at https://www.youtube.com/playlist?list=PLb1qVSx1k1Vr0v4wVyvT3GEuA0J0M4xBm Oracle 18C New features at https://www.youtube.com/playlist?list=PLb1qVSx1k1Vqe06V1tIBcvnslMPWX69bW Oracle 12C New features at https://www.youtube.com/playlist?list=PLb1qVSx1k1VqM1u2IHWzZIgziqejl6wx- Oracle PLSQL records and collections at https://www.youtube.com/playlist?list=PLb1qVSx1k1VpAFTXopXvAh_D3PLcTntdm
Views: 60 Siva Academy
SQL: Check Constraint
 
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In this tutorial, you'll learn how to make use of check constraint. PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 11814 radhikaravikumar
How Many Indexes Are Too Many?: Finding All The Red Sweets Part 5
 
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Every index you add to a table increases its storage requirements and DML overheads. So it's a good idea to create as few as possible. When you have two or more indexes using the same columns, you may be able to get away with just one. But how do you decide which to keep? This video discusses how to analyze your queries so you can cut the number of indexes you create. ============================ The Magic of SQL with Chris Saxon Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 2147 The Magic of SQL
SQL tutorial 62: Indexes In Oracle Database By Manish Sharma RebellionRider
 
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Watch and learn concepts of SQL Index In Oracle Database. In this tutorial you will learn about B-Tree Index and Function based Index. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : Previous Tutorial ► ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 40099 Manish Sharma
Oracle tutorial : Using execution plan to optimize query in oracle
 
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Oracle tutorial: Explain plan for query optimization in Oracle PLSQL oracle tutorial for beginners using execution plan to optimize query sql query analyzer sql query cost analysis https://techquerypond.wordpress.com This oracle tutorial show you how to use EXPLAIN PLAN in oracle. This video covers how to check cost of the query from DBMS_XPLAN.DISPLAY . You can find the cost of the query using the Using EXPLAIN PLAN FOR and based on the result you can optimize the query for faster performance. Subscribe on youtube: https://www.youtube.com/channel/UCpiyAesWNYOXSz5GPq8lbkA For more tutorial please visit #techquerypond https://twitter.com/techquerypond
Views: 9727 Tech Query Pond
Indexes in sql server   Part 35
 
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In this video we will learn about What are indexes Why do we use indexes Advantages of indexes These concepts are applicable to sql server 2000, 2005 and 2008 Text version of the video http://csharp-video-tutorials.blogspot.com/2012/09/indexes-in-sql-server-part-35.html Slides http://csharp-video-tutorials.blogspot.com/2013/08/part-35-indexes.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 365486 kudvenkat
SQL Server Interview Question | What is the difference Between Index Rebuild and Index Reorganize
 
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In this video you will be learning how to answer SQL Server DBA interview Question "What is the difference Between Index Rebuild and Index Reorganize?" Complete list of SQL Server DBA Interview Questions by Tech Brothers http://sqlage.blogspot.com/search/label/SQL%20SERVER%20DBA%20INTERVIEW%20QUESTIONS
Views: 18511 TechBrothersIT
Hands-on Lab: MySQL Monitoring for Oracle Enterprise Manager Users
 
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This hands-on lab for users of Oracle Enterprise Manager takes a close look at monitoring MySQL. You will set up, configure, and monitor MySQL database availability, connections, index usage, replication status, and other key availability and performance metrics. System set up instructions: https://community.oracle.com/docs/DOC-892868 Hands-on Lab manual: https://community.oracle.com/docs/DOC-892869 Please subscribe to the MySQL Youtube channel: http://www.youtube.com/mysqlchannel Like our MySQL Facebook page: http://facebook.com/mysql Follow us on Twitter at: http://twitter.com/mysql
Views: 3178 MySQL
Real-World Performance - 15 - Index Contention
 
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Check out the entire series on the Oracle Learning Library at http://www.oracle.com/goto/oll/rwp In this video, listen and watch Andrew Holdsworth, Vice President of Oracle Database Real-World Performance at Oracle Corporation, as he explains how index contention affects performance. Copyright © 2014 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
Frgmentation in oracle database
 
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Fragmentation in oracle database,find and defragmentation
Views: 3759 Sainora Annanagar
Why Is My Query Slow? More Reasons Storing Dates as Numbers Is Bad
 
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Storing dates as numbers can cause unexpected problems. In this video Chris looks at one possible issue: inconsistent query performance. He then shows methods you can use to improve performance, including function-based indexes and histograms. ============================ The Magic of SQL with Chris Saxon Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 6835 The Magic of SQL
Performance Tuning CPU issues with indexes
 
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Jayanth @Enabled Business In this video we cover how to identify if there is a CPU issue and follow one of the many paths available to improve performance by using Indexes in SQL Server table. We cover how CPU issues are manifested using CXPACKETS wait type for parallelism and how using the right Non Clustered Indexes within the OLTP design we can improve not just the query execution times but also bring down th CPU issues as well. The target audience for this video is novice to intermediate DBAs and developers who are looking to learn a bit more about troubleshooting CPU issues in MS SQL Server.
Views: 781 Jayanth Kurup
Using Splunk Internal Indexes to Audit Security, Users, Searches and more.
 
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Use the Splunk internal audit index to find people trying to access your Splunk servers and users running inefficient searches.
Views: 7090 Splunk How-To
How to work with Tablespaces in Real-Time? Tablespace Administration
 
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https://dbagenesis.com/p/oracle-11g-advanced-dba Oracle tablespace administration - Learn how to work on tablespaces in real-time. - Tablespace management tasks - Tablespace utilization - Add space to tablespace - Add new tablespace - Tablespace best practices - Drop tablespace A tablespace is constructed by Oracle from one or more operating system files through the use of the CREATE TABLESPACE command. Every Oracle database consists of at least one tablespace, called SYSTEM.
Views: 14291 DBA Genesis
Oracle Database Tutorial 63 : Introduction to Tablespace In Oracle Database
 
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Introduction to tablespace in oracle database consist Brief intro of tablepsace, type of tablespace, Big and small file tablespace, intro of Data files in oracle By manish sharma RebellionRider ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/tablespace-introduction-rebellionrider Previous Tutorial ► Indexes https://youtu.be/F5NrQYD4a9g ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at for E-mail address please check About section Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 34011 Manish Sharma
Performance Analysis with Project Monitoring in the Oracle Solaris Studio IDE
 
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Learn how to monitor the CPU, memory, and thread usage of your application through this audio-less screencast. The Oracle Solaris Studio IDE is specifically optimized for enterprise C, C++ applications and helps improve developer productivity and reduce time to deliver applications. Download a free copy and learn more about Oracle Solaris Studio at: http://www.oracle.com/technetwork/server-storage/solarisstudio/overview/index.html Copyright © 2014 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
How To Monitor Databases on AWS Using SolarWinds Database Performance Analyzer
 
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To learn more visit: http://bit.ly/SolarWinds_DPA See how SolarWinds Database Performance Analyzer identifies SQL Server and Oracle performance issues on the AWS Cloud. Connect with SolarWinds: THWACK IT Community: http://thwack.solarwinds.com/ Facebook: https://www.facebook.com/SolarWinds Twitter: https://twitter.com/solarwinds LinkedIn: http://www.linkedin.com/company/solarwinds Instagram: http://instagram.com/solarwindsinc/ Flickr: http://www.flickr.com/photos/solarwinds_inc/ TRANSCRIPT: In this video, you will learn how SolarWinds® Database Performance Analyzer or DPA for short, can be easily deployed on Amazon® Web Services, to monitor both RDS® and EC2® database servers. In addition, you will see how to identify and resolve database performance issues having the largest impact on your applications. To deploy DPA in the cloud, simply go to the Amazon marketplace and search for SolarWinds. Click on 'Continue' to deploy the AMI. Once deployed, all the additional configurations are completed through the web browser interface. The next step will be to register your database instances to be monitored by clicking on 'Register DB Instance for Monitoring.' In this case, we have already registered an instance. Let's look at DPA to find and isolate a performance problem. A customer has just called in and complained of slowness in their order entry application. To troubleshoot, first log into DPA and review the main dashboard. This will give us a high-level overview of what is happening in our environment. It’s interesting that the order entry database (PRODOE-RDS) is showing several alarms. Let's take a closer look by drilling into that database. From the trend screen, first look to the Advice tab for any critical or warning statuses. The top 2 SQL statements which are in a critical state are especially interesting. For the first statement, the adviser is telling us that there are high amounts of blocking for this insert statement on January 20th. By drilling into that day in the trend screen, we can see a 24-hour view of the top 15 SQL statements. For our insert statement, we can quickly see that it has been running every hour with a huge spike beginning in the 9:00 am hour. By drilling into that hour, we can view the blockers tab to see who is blocking this SQL statement. Here we can see that process ID of 83 has actually been blocking many other sessions for a long time. Each of these processes have spent over half an hour trying to run this insert statement. Look at the blocker details, we can quickly identify the user and see that they were performing an update to the same table. Now we can begin work on resolving this issue. Let's look at the tuning advice for our second SQL statement in Alarm. In this case, click on the 'More' link to see all of the details about the query and then review the execution plan. Notice that the adviser is suggesting several new indexes. At this point, we can decide to create and test them to see if they help improve performance. To maximize the value that DPA delivers, 24x7 monitoring is recommended. As DPA continues to monitor and collect data, the more comprehensive the analysis becomes especially when identifying trends and anomalies over time. One surprise that many of our customers have learned, is that it's not always the best idea or cost-effective to provision large database servers in the cloud. Instead, start with a small or medium-sized installation, use DPA to monitor performance, then add more resources when you need to. Test drive DPA today, just visit www.solarwinds.com/dpa.
Views: 522 solarwindsinc
SQL Performance Monitoring Best Practices
 
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Learn more at: http://bit.ly/SQL_BestPractices This video describes best practices for monitoring SQL server performance to include SQL performance issues like database file size, index fragmentation and sloppy queries. Connect with SolarWinds: thwack Community: http://thwack.solarwinds.com/ Facebook: https://www.facebook.com/SolarWinds Twitter: https://twitter.com/solarwinds Google+: https://plus.google.com/+solarwinds/ LinkedIn: http://www.linkedin.com/company/solarwinds
Views: 4978 solarwindsinc
Identifying Long Running Queries
 
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Tuning the performance of your queries in SQL Server can be a lot of work. However, in order for your systems to receive the full benefits of query tuning, you must tune the queries that need it the most. This session will show you three different methods for determining which of the queries on your system are being called the most frequently, take the longest period of time to run, or are using the most resources. You'll be able to use the information in this session to quickly set up your own metrics gathering processes in order to understand what is happening on your systems and which queries will benefit most from tuning. Grant Fritchey is a SQL Server MVP with over 20 years’ experience in IT including time spent in support and development. Grant has worked with SQL Server since version 6.0 back in 1995. He has developed in VB, VB.Net, C# and Java. Grant has authored books for Apress and Simple-Talk, and joined Red Gate as a Product Evangelist in January 2011. Hosted by Steve Cantrell of DBAFundamentals
Views: 12243 DBAFundamentals
Sqlserver DBA || Monitoring & trouble short in SQLSERVER
 
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DURGASOFT is INDIA's No.1 Software Training Center offers online training on various technologies like JAVA, .NET , ANDROID,HADOOP,TESTING TOOLS , ADF, INFORMATICA, SAP... courses from Hyderabad & Bangalore -India with Real Time Experts. Mail us your requirements to [email protected] so that our Supporting Team will arrange Demo Sessions. Ph:Call +91-8885252627,+91-7207212428,+91-7207212427,+91-8096969696. http://durgasoft.com http://durgasoftonlinetraining.com https://www.facebook.com/durgasoftware http://durgajobs.com https://www.facebook.com/durgajobsinfo......
Oracle SQL Performance Tuning for Developers: Introduction
 
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This video is an introduction to Oracle SQL Performance Tuning for Developers: http://www.informit.com/store/oracle-sql-performance-tuning-for-developers-livelessons-9780134117027 6+ Hours of Video Instruction The focus of Oracle SQL Performance Tuning for Developers LiveLessons is to illustrate coding techniques that ensure a consistent response time between instances and releases of the Oracle database. This course works closely with performance tuning of actual SQL statements. Description In this video training, Dan Hotka starts out with a complete overview of the Oracle architecture so students can get an understanding how their SQL and applications can take advantage of the computing environment. This course then goes in-depth on understanding and controlling the Explain Plan, which is how and in what order Oracle retrieves data. The discussion includes considerable detail, with SQL examples, on how the optimizers--both rule-based and cost-based, but mostly cost-based--make their decisions. Students will work with a variety of SQL statements, reviewing Explain Plans and making changes to make these SQL statements perform better. Lectures include index design, using hints and coding style to control the Explain Plans, and how to use useful tools such as index monitoring, SQL Trace, and the PL/SQL profiler. This LiveLessons course takes a close look at indexes: how Oracle selects them, why they are sometimes not used, and how to tell if indexes are being used. This course includes Oracle10g, Oracle11g, and Oracle12c SQL tuning topics. Skill Level Intermediate Learn How To Read and understand Explain Plan content Review an Explain Plan and tell quickly if this is a good plan Understand a good index column candidate from a not-so-good candidate Quickly tell the likelihood if your SQL will use an existing index Use coding and a variety of Hints (directives) that can produce better performing SQL Execute and interpret SQL trace output Who Should Take This Course Oracle programmers Oracle database administrators who need additional training on SQL tuning Course Requirements Working knowledge of the SQL query language http://www.informit.com/store/oracle-sql-performance-tuning-for-developers-livelessons-9780134117027
Views: 3075 LiveLessons
Monitoring Undo, Administering Undo, Configuring Undo Retention, Sizing Undo tablespace
 
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Managing undo Data Monitoring Undo, Administering Undo, Configuring Undo Retention, Sizing Undo tablespace For Students of B.Tech, B.E, MCA, BCA, B.Sc., M.Sc., Courses - As Per IP University Syllabus and Other Engineering Courses
High Perfomance MySQL: 04  SQL Query Optimization
 
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Dear All...thanks for the supports , really appreciated it . We need 10000++ more subscribers to keep this video channel running before In the end of this year or we have to close this channel for good . Please keep on sharing this channel to others so that we can have more subscribers so that we can survive youtube new regulations . Thanks Tutorial On How To Optimize your SQL QUERY
Views: 7630 CarAni Studio
ORADCReport(Oracle Database Configuration Report)
 
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ORADCReport (Oracle Database Configuration Report) Version 1 -Providing Database information -Providing Segments Status information -Providing Session information. -Finding the Top SQL List -Finding the Invalid Objects -Table/Index summary -Tablespace size/usage statistics Supported os : windows Supported JRE : Java Runtime Environment 1.8.x on more Installation Windows : Extract the Archive using zip utility.
Views: 27 optimistic lab
SQL Loader Bad file and Discard file Part 3  | Oracle SQL Tutorial | Mr.Murali
 
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SQL Loader Bad file and Discard file Part 3 | Oracle SQL Tutorial | Mr.Murali ►For Registration : https://goo.gl/r6kJbB ►Call: +91-8179191999 ► Visit Our Website: http://nareshit.in/ http://nareshit.com/ ► About NareshIT: "Naresh IT is the Best Software Training Institute for Hadoop, Salesforce, AWS, DevOps, Sprak, Data Science, Python, Tableau, RPA ,Java, C#.NET, ASP.NET, Oracle, Testing Tools, Silver light, Linq, SQL Server, Selenium, Android, iPhone, C Language, C++, PHP and Digital Marketing in Hyderabad, Chennai and Vijayawada, India which provides online and classroom training classes" ►For Registration : https://goo.gl/r6kJbB ►Call: India- 8179191999, USA- 404-232-9879 Email: [email protected] ►Our Online Training Features: 1.Training with Real-Time Experts 2.Industry Specific Scenario’s 3.Flexible Timings 4.Soft Copy of Material 5.Share Video's of each and every session. Check The Below Links: ►For Course Reg : https://goo.gl/r6kJbB ► Subscribe to Our Channel: https://goo.gl/q9ozyG ► Circle us on G+: https://plus.google.com/NareshIT ► Like us on Facebook: https://www.facebook.com/NareshIT ► Follow us on Twitter: https://twitter.com/nareshitech ► Visit Our Website: http://nareshit.in/ http://nareshit.com/
Views: 4269 Naresh i Technologies
Missing Index Hints in SQL Server Management Studio
 
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In this video, you will learn why you should not blindly follow the SSMS Missing Index Hints. Video resources including presentation, demo files, code snippets and more learning material is available on http://www.dataplatformgeeks.com/ (Join for free and access all the resources) Connect With The Speaker (Amit Bansal) -Follow on Twitter: https://twitter.com/A_Bansal -Follow on FaceBook at http://www.facebook.com/amit.r.bansal -Follow on LinkedIN: http://www.linkedin.com/in/amitbansal2010 -Facebook Page: https://www.facebook.com/AmitRSBansal/ Connect with SQLMaestros: http://sqlmaestros.com/ -http://www.twitter.com/SQLMaestros -https://www.facebook.com/SQLMaestros -Email us: [email protected] Have technical questions? Join the largest SQL group on FB www.facebook.com/groups/theSQLGeeks Our LinkedIn group https://www.linkedin.com/groups/6753546 DataPlatformGeeks (DPG) Community Join the fastest growing community of data & analytics professionals Why Join DPG? http://www.dataplatformgeeks.com/ -Attend all events hosted by DPG, including SQLMaestros Special Events -Get access to free videos, labs, magazines and host of learning resources -Download all events & conference material -Learn new skills. Sharpen existing skills -Be part of Asia’s Largest Data/Analytics Community -Opportunity to be a regional mentor & speaker at our events -Immense technical & professional development Do you know about Data Platform Summit? http://www.DPS10.com
Views: 834 SQLMaestros
Module 1- Introduction to Oracle Database
 
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Hello viewers, We are starting our section on professional courses and for which we are starting our course material which is based on the Oracle Database, Please refer to the description below for knowing which topics will be covered in Oracle DBA Installation Module 1 – Introduction to Database • Introduction to Database • How ORACLE DB does it • Unix kernal Module 2 – Physical Database Structure • Physical Database Structure • Control files • Key information of files • Redo log files Module 3 – Oracle Storage structures • Oracle Storage structures • Table statement • How to check “create table” • Schemas and schema objects • Data blocks • Extents • Segments Module 4 – Memory & Process Architecture • Memory & Process Architecture • Instance/Memory structures • Shared pool • Buffer Cache • Redo Log Buffer • Process Architecture • Background process Module 5 – Background Process, Alert & Trace files • Background Process, Alert & Trace files • Alert • Trace files Module 6 – Database Startup & Serving User Requests • Database Startup & Serving User Requests • Offline backup • Standby Database Module 12 – Oracle Recovery Manager (RMAN) • Oracle Recovery Manager (RMAN) • Data pump export & import • SQL loader • External table Module 13 – Data dictionary & Dynamic Performance Tables • Data dictionary & Dynamic Performance Tables • Dynamic performance Tables • Typical day ORACLE DBA Module 14 – Introduction to Database Tuning • Introduction to Database Tuning • Monitor space usage • Monitor SQL scripts • Data base tuning • SQL tuning • Table Statistics • Index statistics • Index Selectivity • Chained Rows • Locks Module 15 – Introduction to Database Tuning Continued • Introduction to Database Tuning Continued • Tuning Shared pool • Data dictionary performance • Data dictionary tuning • PL/SQL code • Code reuse • Data base Buffer • Buffer cache hit Ratio • Code reuse • Database Startup • User process, Server process Module 7 – Database Security • Database Security • Process of “Create User” • Alter & Drop User • Resource Limits & profiles • Auditing Module 8 – Schema Objects • Schema Objects • Types of schema objects • How table data is stored • Temporary Tables • External Tables Module 9 – Schema Object Continued • Schema Object Continued • Materialized View • Sequence Generator • Indexes • B-Tree index structure • Cluster/Hash Cluster • Data concurrency & consistency • Locking • Deadlocks Module 10 – Oracle Network Environment • Oracle Network Environment • How to connect your database • Network environment of ORACLE • Database link Module 11 – Oracle Backup & Recovery Concepts • Oracle Backup & Recovery Concepts • Standby database • Testing • Media recovery options so in today's video, we will be discussing Module -1 The Introduction to Oracle Database. ----------------------------------------------------------------------------------------------------------- For downloading notes in PDF format please visit my Blog https://thedynamicstudy.blogspot.com/ ---------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------- Please go through the video and don't forget to share your views and subscribe the channel to keep the content open and reachable to students. ---------------------------------------------------------------------------------------------------- keep on watching, keep on learning! #dynamicstudy -~-~~-~~~-~~-~- Please watch: "Top 10 Bollywood Movies Every MBA Student Should Watch! " https://www.youtube.com/watch?v=YHWVd5Rpz0M -~-~~-~~~-~~-~-
Views: 34 Dynamic Study
Review Actual Plan with DBMS_XPLAN.DISPLAY_CURSOR PART-2
 
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Review Actual Query Execution Plan Using DBMS_XPLAN.DISPLAY_CURSOR PART-2 covers  Set up & view execution plan using Display_Cursor. Overview on Execution Plan shown by Display_Cursor, understand estimated & actual row source execution statistics, IO stats, memory stats, usage of temp.
Views: 4784 Anindya Das
How to Detect Soft Corruption in Oracle 12c Database
 
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Detection of Soft Corruption in 12c: To use the scripts below replace : , ",# and $ by proper bracket Lets Create a tablespace and small table. SQL: create tablespace DEMO1 datafile '/u02/tstdb1/TSTDB1/datafile/demo01.dbf' size 50M SQL: create table objects tablespace DEMO1 as select * from dba_objects; SQL: alter table objects add constraint pk_obj primary key #object_id$; SQL: create index idx_obj_name on objects#object_name$ tablespace demo1; Backup tablespace. RMAN: backup tablespace DEMO1; We need to put the DB in archivelog first Rebuild index with NOLOGGING option to simulate soft corruption later. RMAN: alter index idx_obj_name rebuild nologging; Confirm that we have datafiles that require backup because they have been affected with NOLOGGING operation. RMAN: report unrecoverable; Simulate corruption. RMAN: alter database datafile 5 offline; RMAN: restore datafile 5; RMAN: recover datafile 5; RMAN: alter database datafile 5 online; Query table with corrupted index and notice error. SQL: select count#*$ from objects where object_name like 'A%'; Let’s perform validation of datafile to check block corruption. RMAN: backup validate check logical datafile 5; Notice that we have 457 blocks marked corrupt but v$database_block_corruption view is empty. SQL: select count#*$ from v$database_block_corruption; Let’s query v$nonlogged_block view. set lines 200 set pages 999 select file#, block#, blocks,object#,reason from v$nonlogged_block; Will RMAN detect that we have corrupted blocks? RMAN: backup datafile 5; RMAN backup won’t fail due to NOLOGGING corrupt blocks and our backup will contain soft corrupted blocks. Let’s Identify corrupt segments using v$nonlogged_block view. set lines 2000 set pages 9999 col owner for a20 col partition_name for a10 col segment_name for a20 SELECT e.owner, e.segment_type, e.segment_name, e.partition_name, c.file# , greatest#e.block_id, c.block#$ corr_start_block# , least#e.block_id+e.blocks-1, c.block#+c.blocks-1$ corr_end_block# , least#e.block_id+e.blocks-1, c.block#+c.blocks-1$ - greatest#e.block_id, c.block#$ + 1 blocks_corrupted FROM dba_extents e, V$NONLOGGED_BLOCK c WHERE e.file_id = c.file# AND e.block_id "= c.block# + c.blocks - 1 AND e.block_id + e.blocks - 1 := c.block# UNION SELECT s.owner, s.segment_type, s.segment_name, s.partition_name, c.file# , header_block corr_start_block# , header_block corr_end_block# , 1 blocks_corrupted FROM dba_segments s, V$NONLOGGED_BLOCK c WHERE s.header_file = c.file# AND s.header_block between c.block# and c.block# + c.blocks - 1 UNION SELECT null owner, null segment_type, null segment_name, null partition_name, c.file# , greatest#f.block_id, c.block#$ corr_start_block# , least#f.block_id+f.blocks-1, c.block#+c.blocks-1$ corr_end_block# , least#f.block_id+f.blocks-1, c.block#+c.blocks-1$ - greatest#f.block_id, c.block#$ + 1 blocks_corrupted FROM dba_free_space f, V$NONLOGGED_BLOCK c WHERE f.file_id = c.file# AND f.block_id "= c.block# + c.blocks - 1 AND f.block_id + f.blocks - 1 := c.block# order by file#, corr_start_block# / This is the best outcome to get if you notice corruption errors. All errors are related to index corruption so we could fix this problem rebuilding index. alter index idx_obj_name rebuild; Simply issuing "alter index rebuild" command won't work. We should mark index unusable to drop segment before rebuilding it or just rebuild index with online option. It is better choice to mark index unusable because you don't need additional space then, but I will simply rebuild index with online option and see what will happen. SQL: alter index idx_obj_name rebuild online; Index altered. SQL: select count#*$ from objects where object_name like 'A%'; No errors... but, let's validate datafile for corruption. RMAN: backup validate check logical datafile 5; Notice "Marked Corrupt" column. Hm... 457 like before. Don't worry, this is not new corruption. These are FREE blocks which will be reused and Oracle will automatically re-format those blocks. Query the v$nonlogged_block view again as given above. We could force re-formatting creating dummy table and inserting data to dummy table. Check Doc ID 336133.1. create table s # n number, c varchar2#4000$ $ nologging tablespace DEMO1; SQL: BEGIN FOR i IN 1..1000000 LOOP INSERT /*+ APPEND */ INTO sys.s select i, lpad#'REFORMAT',3092, 'R'$ from dual; commit ; END LOOP; END; / SQL: drop table sys.s purge; Notice that we don't have corrupted blocks any more. RMAN: backup validate check logical datafile 5;
Views: 145 OracleDBA
Data Guard - Creating a Logical Standby Database
 
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Data Guard - Creating a Logical Standby Database Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjabi, Tutorials Point India Private Limited.
Oracle SQL Loader - Introduction - Tutorial -1
 
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This video is the first tutorial on Oracle SQL*Loader utility. This video gives the introduction and helps in understanding the concept behind Oracle SQL Loader. Why it should be used and the advantages of using it. SQL Loader is a bulk loader utility used for moving data from external files into the Oracle database tables. In this video we look at the overview of Oracle SQL Loader, we look at the complete flow of the process. It's basically a Conceptual introduction to the SQL Loader utility. What you will learn in this video 1. What is SQL Loader? 2. You will get an understanding on the Components of SQL Loader like control file, Log file, Discard File and Bad file. 3. Complete flow of the process. Visit the other videos on the same : Second video visit https://youtu.be/ogidUWHHRL8 Third video visit https://youtu.be/yD_CL_cf8tQ Check out the advantages of using TRUNCATE over a DELETE from the following video: Delete VS Truncate : https://youtu.be/u76wMm2byXo #KishanMashru #Oracle #SqlLoader #SqlLoaderConcept #SqlLoaderIntroduction #SQLandPLSQL #OracleSqlLoader #ETL #database
Views: 477 Kishan Mashru
SAP Basis - System Monitoring Transactions
 
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SAP Basis - System Monitoring Transactions Watch More Videos at: https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Sumit Agarwal, Tutorials Point India Private Limited.
Oracle Sessions Monitoring and Tuning Fundamentals 4 of 4
 
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In this tutorial you will learn how to monitor locks, latches, wait events in oracle.
Views: 1533 DBA Pro
Quickly Tuning SQL with SQL Developer
 
21:31
In this video, I show a few shortcuts I used to make quick tuning work of a problematic SQL statement in SQL Developer 4.1
Views: 9736 BPeaslandDBA

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