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Oracle Hints Tutorial for improving performance
 
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Oracle Hints Tutorial for improving performance APPEND PARALLEL JOIN INDEX NO_INDEX SELECT /*+ FIRST_ROWS(10) */ * FROM emp WHERE deptno = 10; SELECT /*+ ALL_ROWS */ * FROM emp WHERE deptno = 10; SELECT /*+ NO_INDEX(emp emp_dept_idx) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; SELECT /*+ INDEX(e,emp_dept_idx) */ * FROM emp e WHERE e.deptno = 10; -- SELECT /*+ INDEX(scott.emp,emp_dept_idx) */ * FROM scott.emp; SELECT /*+ AND_EQUAL(e,emp_dept_idx) */ * FROM emp e; SELECT /*+ INDEX_JOIN(e,emp_dept_idx) */ * FROM emp e; SELECT /*+ PARALLEL_INDEX(e,emp_dept_idx , 8) */ * FROM emp e; SELECT /*+ LEADING (dept) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; SELECT /*+ PARALLEL(8) CACHE (e) FULL (e) */ * FROM emp e ; SELECT /*+ PARALLEL FULL (e) */ * FROM emp e ; SELECT /*+ PARALLEL USE_MERGE (emp dept) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; -- SORT Merge Join SELECT /*+ PARALLEL USE_HASH (emp dept) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; -- Hash Join SELECT /*+ PARALLEL */ * FROM emp e ; INSERT /*+ APPEND */ INTO mytmp select /*+ CACHE (e) */ *from emp e; commit;
Views: 5761 TechLake
14.412 Simple Hash Join
 
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My book "Patterns in Data Management" is now available both as an ebook or a print book (with color graphics!). See: http://amzn.to/1Ts3rwx This book is not a standard textbook on database techniques. This book was written extending and complementing preexisting educational videos (including this one). Video for my inverted classroom "Database Systems". The complete list of videos, slides, and additional material is (will be) available at http://datenbankenlernen.de Computer Science, Saarland University: Bachelor (in German): http://www.cs.uni-saarland.de/index.p... Master (in English): http://www.cs.uni-saarland.de/index.p... Ph.D./Grad School: http://gradschool.cs.uni-saarland.de/
14.416 Sort-Merge Join, Co-Grouping
 
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My book "Patterns in Data Management" is now available both as an ebook or a print book (with color graphics!). See: http://amzn.to/1Ts3rwx This book is not a standard textbook on database techniques. This book was written extending and complementing preexisting educational videos (including this one). Video for my inverted classroom "Database Systems". The complete list of videos, slides, and additional material is (will be) available at http://datenbankenlernen.de Computer Science, Saarland University: Bachelor (in German): http://www.cs.uni-saarland.de/index.p... Master (in English): http://www.cs.uni-saarland.de/index.p... Ph.D./Grad School: http://gradschool.cs.uni-saarland.de/
Focus on Hash Joins - Using Database In-Memory
 
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Ask TOM Office Hours demo - Focus On Hash Joins This demonstration reviews how Database In-Memory uses Hash Joins and Bloom filters to provide up to a 10x performance improvement. You can see the full session and join us for more Office Hours sessions at https://asktom.oracle.com/pls/apex
SQL Joins, nested loops and all that in less than 6 minutes
 
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CAPTIONS AVAILABLE - Full transcript (with some screenshots) available for a small fee at http://stores.lulu.com/konagora/. A very brief description of how a database performs a join, based on material from a 2-day seminar.
Views: 76392 roughsealtd
Oracle Interview question : what is dual table in oracle
 
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Oracle Interview question : what is dual table in oracle Oracle dual table is automatically created as part of installation in SYS schema. Dual table has one column called DUMMY of VARCHAR2(1) datatype. This table is useful for computing a constant expression with select statement List of all the SQL and PLSQL interview questions https://easy-learning-tech.blogspot.com/p/oracle-sql-plsql-interview-questions.html
Views: 255 Siva Academy
Focus on Hash Joins - Join Groups
 
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Ask TOM Office Hours demo - Focus On Hash Joins This demonstration reviews how Database In-Memory can use Join Groups to further improve hash join performance. You can see the full session and join us for more Office Hours sessions at https://asktom.oracle.com/pls/apex/f?p=100:551:::NO:551:P551_CLASS_ID:3843:
11 of 15 SQL Basics with Oracle - Using two or more tables in a query
 
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This video explains how to get data from 2 or more tables. Two methods are explained: the WHERE clause and the JOIN operator. Examples of each are shown. (11 of 15) There is also an "Advanced SQL" series. (Search for "databasemec" for tutorials using SQL Server.)
Views: 3049 Jennifer Kreie
SQL Advanced Videos REUPLOAD #3: Nested Loop Join
 
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I talk about the first of three physical #join operator. We begin with #NestedLoopJoin, the most simple and known physical JOIN Operator in #SQL. This is a re-upload of my old video due to many complaints about the annoying background music. Join my discord: https://discord.gg/5aWE33f
Views: 582 SQL TV
Using Partition Wise Join
 
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This video shows you the use of partition wise join in parallel processing. Copyright © 2012 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.
Why Has an Index Broken My Query?
 
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Sometimes Oracle can give unexpected exceptions. This often happens when working with dates stored as strings. In this video, Chris investigates why adding an index to a varchar storing dates could cause a query to fail. He explains why this happens. Then he shows workaround to avoid this. You can download the scripts in this video from LiveSQL at: https://livesql.oracle.com/apex/livesql/file/content_CVN82PZQWQSUFYMOVKG0VI19T.html ============================ 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: 2886 The Magic of SQL
What is Index Scan ,Index Seek and Table Scan?
 
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An index scan or table scan is when SQL Server has to scan the data or index pages to find the appropriate records. index seek happens when data is searched among the index.Please watch full video for detail.
Views: 18098 SqlIsEasy
Local Vs Global Partitioned Index in Oracle 11g
 
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The Video Explains the difference between Local Partitioned Indexes(Prefixed vs Non Prefixed Indexes). and Global Partitioned Index along with the challenges in maintaining Global partitioned Indexes when the underlying tables partitioned is dropped/truncated/Merged/Moved. Local Partitioned Index Shares the same boundaries as the table and are in the same number as table partitions they are widely used in DSS and DWH systems. While Global Partitioned Index are predominantly used in OLTP systems
Views: 5244 Tech Coach
Database Design 39 - Indexes (Clustered, Nonclustered, Composite Index)
 
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This video covers the basics of indexes. Indexing is an extremely important step of database design. Without Indexes database queries can take a substantial amount of time and hog system resources. The main two classifications of indexes are clustered and non-clustered indexes. Clustered indexes are usually the primary key and determine how the data is actually stored in the table. These are the fastest and most effective. Non-clustered indexes sort a reference to data that is still fast but doesn't actually determine how the data is structured. The best tip I can give you is to use indexes but don't over use them. Having loads of indexes on columns that are barely ever in a where clause or join can bog down the database. This is because every time the table is updated the index must also be updated! When a database looks through a table for certain where conditions on a column that does not have an index, it does an entire table scan. This is not a good practice for large databases (or even small databases but not as bad). With an index the database will do an index seek and quickly find the data you are looking for. Composite indexes consist of two or more columns within one index. Use these when you plan on using the two columns together for a database query WHERE clause. Learn more about indexes here: https://www.calebcurry.com/blogs/database-design/introduction-to-indexes Donate!: http://bit.ly/DonateCTVM2. Courses for Download: http://www.udemy.com/u/calebcurry/ (Use the coupon code "YouTubeDiscount" without the quotes) Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://Twitter.com/calebCurry Subscribe (it's free!): https://www.youtube.com/channel/UCZUyPT9DkJWmS_DzdOi7RIA?sub_confirmation=1 Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 91399 Caleb Curry
Query Processing - Block Nested Loop Join, Index Nested Loop Join, Merge Join, Hash Join
 
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Complete set of Video Lessons and Notes available only at http://www.studyyaar.com/index.php/module/28-query-processing-and-optimization Block Nested Loop Join, Index Nested Loop Join, Merge Join, Hash Join http://www.studyyaar.com/index.php/module-video/watch/72-query-processing-more-join-algorithms
Views: 26097 StudyYaar.com
SQL Database Fundamentals: 09.1 Demo: Clustered and Non-Clustered Indexes
 
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Would you like to learn the basics of relational databases? Join us for this look at SQL Database fundamentals, along with those of database management systems and database components. Get an in-depth introduction to the terminology, concepts, and skills you need to understand database objects, administration, security, and management tools. Plus, explore T-SQL scripts, database queries, and data types. Start with a look at creating tables, inserting data, and querying data in tables. Then, learn about data manipulation, optimize database performance, and work with non-relational data. Get practical help on basic database administration, including installation and configuration, backup and restore, security, monitoring, and maintenance. Take this SQL Database tutorial to prepare for additional online courses for database administrators (DBAs), developers, data scientists, and big data specialists. Check it out! 1 | Introduction to Databases View a course introduction, and get started with databases. 2 | Getting Started with Tables Get an introduction to concepts and techniques for creating tables, inserting data, and querying data in tables. 3 | Working with Data in Tables Learn about data manipulation using Transact-SQL (T-SQL), including INSERT, UPDATE, and DELETE. Explore wrapper objects, such as views and stored procedures. 4 | Optimizing Database Performance Get an introduction to terminology and concepts for optimizing database performance by using indexes. 5 | Working with Non-Relational Data Explore additional types of data that can be used in modern databases, including XML and JSON. 6 | Basic Database Administration Learn about terminology and concepts for basic database administration, including installation and configuration, backup and restore, security, monitoring, and maintenance.
Oracle   joins Part -4 by dinesh
 
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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,TABLEAU,IPHONE,OBIEE,ANJULAR JS, 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 Hints,
 
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Oracle Hints, Tips and advice - Hints and tips on various programming languages and development tools.
Views: 3836 018sube
Overview Oracle SQL - MERGE Statement
 
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I showed this video, overview MERGE Statement. Created two table and transformed data from first table to second. I think this video shall be interesting, who working with Oracle Database SQL and Data Warehousing.
Views: 7178 Mahir M. Quluzade
Oracle Parallelism Concepts
 
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Oracle Parallelism Concepts
Views: 1895 The Silent DBA
32. Anti Join in Oracle
 
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In this video you will learn about Anti Join in Oracle. Anti Join returns rows from the first table where no matches are found in the second table. For Support =========== Email: [email protected] Contact Form: http://www.learninhindi.com/home/contact Our Social Media ================ Facebook: https://www.facebook.com/LearnInHindi Twitter: https://twitter.com/LearnInHindi For Training & Videos ===================== For more videos and articles visit: http://www.learninhindi.com Free Java Programming In Hindi Course ===================================== https://www.youtube.com/playlist?list=PLOZ3jentlCDAwwhMyoLISrxkXTADGp7PH Free Oracle PL/SQL Programming In Hindi Course ============================================== https://www.youtube.com/playlist?list=PLB5DA82419C2D99B6 Free C Programming In Hindi Course ================================== https://www.youtube.com/playlist?list=PLOZ3jentlCDAxKpBLMWogxSdy6BZcsAJq Trips & Tricks Channel ====================== https://www.youtube.com/channel/UCGmLfkuCo-3lHHJXRJ9HUMw Programming in Hindi Channel ============================ https://www.youtube.com/channel/UCudElIDgwNrybeAvXIy1HZQ
Views: 16849 ITORIAN
What to choose for performance   SubQuery or Joins   Part 62
 
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Text version of the video http://csharp-video-tutorials.blogspot.com/2013/01/what-to-choose-for-performance.html Slides http://csharp-video-tutorials.blogspot.com/2013/09/part-62-what-to-choose-for-performance.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 What to choose for performance - SubQuery or Joins According to MSDN, in sql server, in most cases, there is usually no performance difference between queries that uses sub-queries and equivalent queries using joins. For example, on my machine I have 400,000 records in tblProducts table 600,000 records in tblProductSales tables The following query, returns, the list of products that we have sold atleast once. This query is formed using sub-queries. When I execute this query I get 306,199 rows in 6 seconds Select Id, Name, Description from tblProducts where ID IN ( Select ProductId from tblProductSales ) At this stage please clean the query and execution plan cache using the following T-SQL command. CHECKPOINT; GO DBCC DROPCLEANBUFFERS; Go DBCC FREEPROCCACHE; GO Now, run the query that is formed using joins. Notice that I get the exact same 306,199 rows in 6 seconds. Select distinct tblProducts.Id, Name, Description from tblProducts inner join tblProductSales on tblProducts.Id = tblProductSales.ProductId Please Note: I have used automated sql script to insert huge amounts of this random data. Please watch Part 61 of SQL Server tutorial, in which we have discussed about this automated script. According to MSDN, in some cases where existence must be checked, a join produces better performance. Otherwise, the nested query must be processed for each result of the outer query. In such cases, a join approach would yield better results. The following query returns the products that we have not sold atleast once. This query is formed using sub-queries. When I execute this query I get 93,801 rows in 3 seconds Select Id, Name, [Description] from tblProducts where Not Exists(Select * from tblProductSales where ProductId = tblProducts.Id) When I execute the below equivalent query, that uses joins, I get the exact same 93,801 rows in 3 seconds. Select tblProducts.Id, Name, [Description] from tblProducts left join tblProductSales on tblProducts.Id = tblProductSales.ProductId where tblProductSales.ProductId IS NULL In general joins work faster than sub-queries, but in reality it all depends on the execution plan that is generated by SQL Server. It does not matter how we have written the query, SQL Server will always transform it on an execution plan. If sql server generates the same plan from both queries, we will get the same result. I would say, rather than going by theory, turn on client statistics and execution plan to see the performance of each option, and then make a decision. In a later video session we will discuss about client statistics and execution plans in detail.
Views: 84894 kudvenkat
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: 40119 Manish Sharma
SSIS: MERGE JOIN FOR INSERT AND UPDATE (UPSERT)
 
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This video demonstrates how to use the Merge Join object in SSIS and what possibilities you have for creating an automated Insert and Update process in one SSIS package Please check my blog azizsharif.blogspot.com for more videos!
A Story of Indexes and Full Table Scans: Finding All the Red Sweets Part 1
 
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"Why isn't Oracle using my index?!" is a common question people have when tuning SQL queries. In this episode Chris compares two methods for finding all the red candies from party bags he's prepared. He shows how these are like a full table scan and an index range scan. He goes on to compare the performance of these two approaches. He shows when a full table scan becomes more efficient than an index range scan and vice versa. ============================ 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: 7773 The Magic of SQL
SQL * Loader Tutorial 3: SQL Loader  Conventional and Direct Paths
 
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SQL * Loader Tutorial 3: SQL Loader Conventional and Direct Paths Difference Between Conventional and Direct path loading in SQL * Loader SQL Tutorial SQL Tutorial for beginners PLSQL Tutorial PLSQL Tutorial for beginners PL/SQL Tutorial PL SQL Tutorial PL SQL Tutorial for beginners PL/SQL Tutorial for beginners Oracle SQL Tutorial
Views: 1356 TechLake
14.410 Applications of Join Algorithms, Nested-Loop Join, Index Nested-Loop Join
 
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My book "Patterns in Data Management" is now available both as an ebook or a print book (with color graphics!). See: http://amzn.to/1Ts3rwx This book is not a standard textbook on database techniques. This book was written extending and complementing preexisting educational videos (including this one). Video for my inverted classroom "Database Systems". The complete list of videos, slides, and additional material is (will be) available at http://datenbankenlernen.de Computer Science, Saarland University: Bachelor (in German): http://www.cs.uni-saarland.de/index.p... Master (in English): http://www.cs.uni-saarland.de/index.p... Ph.D./Grad School: http://gradschool.cs.uni-saarland.de/
Hints and Tips - A silent movie on joins
 
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The vision says it all ... a basic primer on how joins are performed in Oracle, using the metaphor of playing cards. Enjoy... ========================================­============== 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: 1724 Connor McDonald
SQL Server Merge Join
 
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SQL Server Merge Join
Views: 3472 Fabiano Amorim
Oracle 18c - Private temporary tables
 
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New to 18c! Private temporary tables. blog: https://connor-mcdonald.com Not only is your data private to your session, but so is the definition of the table itself.
Views: 1467 Connor McDonald
Introduction to Joins and its types | Need of Joins with example | DBMS
 
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#Joins#SQlDBMS#FreeEducationGATE
Views: 30460 Gate Smashers
Oracle 12c  Application Context
 
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Creating and implementing Application Context in Oracle database.
Views: 158 Koenig Solutions
Materialized views in oracle - Part 1
 
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In this video I have explained what are materialized views? What are there basic difference with views, and how they leverage query rewrite to optimize the performance with almost no change in existing code
Views: 6752 Tech Coach
SQL: Explain Plan for knowing the Query performance
 
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In this tutorial, you'll learn how to compare queries to know the better performance query..
Views: 94529 radhikaravikumar
Partitioning in Oracle Explained with Real project Examples : Introduction
 
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This Video series will explain partitioning and its use cases referencing real project examples from different domain. It will explain what when and why of partitioning in a simple but elaborate manner. This is the 1st video which explains why partitioning is required and what are the advantages we gain from it. The following videos will explain when should we do it and how.
Views: 19888 Tech Coach
SQL Partition By Explained
 
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Using Oracle's SQL, I'll explain how to use Partition By. This will be similar in other SQL engines that have the Partition By keyword.
Views: 26987 Pretty Printed
Hints
 
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Hints watch more videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjab, Tutorials Point India Private Limited
🚨Who Just Moved 66,223 $BTC?!? NASDAQ: “We’re Doing This No Matter What!” Is $ETC Dead?!?
 
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Who just moved 66,223 $BTC?!? Nasdaq confirms futures: “We’re doing this no matter what!” US government races towards forensic analysis of privacy coins, $ETC worries, $TRX zk-SNARKs, $ARK v2 core, crypto news, and more! 📩 Sign up for The Blockchain Brief Newsletter 👉 http://BlockchainBrief.kdub.co 🧟‍♂️ Join The “Crypto Zombies” Telegram ►► https://t.me/joinchat/E67b8w-hQrMsZebuCC6peg 🔺Get The Brave Browser Here ►► https://brave.com/cry542 🛒 Shop on Amazon with BTC ►► http://Alagoria.kdub.co 0:09 Markets: $WAVES 🔹🚀 2:16 Why is price still falling? https://www.forbes.com/sites/lawrencewintermeyer/2018/12/03/why-cyptocurrency-prices-are-plummeting/#1af1a42e7ccc 4:37 BTC 2019 new ATH: https://cointelegraph.com/news/bitcoin-will-surpass-all-time-price-highs-by-end-of-2019-says-quoine-ceo 5:59 “Death Spiral: debunked: https://coinjournal.net/debunking-the-bitcoin-death-spiral-theory/ 6:50 Cryptoverse “Death Spiral” theory: https://youtu.be/24jGzqdWgho 7:10 🚨 BTC WHALE: https://www.blockchain.com/btc/address/1EBHA1ckUWzNKN7BMfDwGTx6GKEbADUozX 8:34 Whales move billions in ETH accumulation: https://dailyhodl.com/2018/12/04/crypto-whales-move-billions-in-bitcoin-and-ethereum-plus-news-on-ripple-and-xrp-tron-iota-vechain-neo-crypto-news-flash/ 9:26 Nasdaq confirms: We’re doing this no matter what! https://www.cryptoglobe.com/latest/2018/12/nasdaq-comms-vp-confirms-bitcoin-futures-in-h1-2019-were-doing-this-no-matter-what/ 10:47 Gabor Gurbacs: https://twitter.com/gaborgurbacs/status/1068863056363560960 11:36 Investy Ad: https://youtu.be/2UKU5zM4icE 12:15 ETCDEV tweet: https://twitter.com/etcdev/status/1069625401515872256?s=19 12:36 Is Ethereum Classic in trouble? https://www.trustnodes.com/2018/12/04/etc-devs-throw-in-the-towel 14:18 Quora hacked: https://www.yahoo.com/news/quora-says-100-million-users-hit-security-breach-023119047--finance.html 14:43 Tron (TRX) zk-SNARKs: https://usethebitcoin.com/tron-improves-privacy-implementing-zk-snarks/ 15:42 ICON (ICX) x Tribe: https://sg.news.yahoo.com/trive-ventures-launches-government-backed-blockchain-accelerator-031906905.html 16:12 OriginaTrail (TRAC) x Oracle: https://medium.com/origintrail/origintrail-becomes-oracles-partner-for-blockchain-technology-d5b29228bf8c 16:43 WaBi = Tael: https://twitter.com/Taelpay/status/1069922702406733826 17:09 Smartlands (SLT) updates: https://smartlands.io/newsletters/smartlands-platform-newsletter-november/ 17:34 Quant (QNT) x AU Cloud: https://twitter.com/quant_network/status/1069601656441106432 17:57 ARK v2 core: https://blog.ark.io/ark-core-v2-is-live-on-mainnet-16820e5e925e 18:09 ARK Desktop Wallet v2: https://blog.ark.io/new-frontiers-ark-desktop-wallet-v2-67df8f7bcbb5 18:25 Factom (FCT) x Yooya: https://www.factom.com/company/news/press-release/yooya-adopts-factom-harmony/ 19:01 Vertcoin (VTC) 51% attack: https://medium.com/@mwnesbitt/vertcoin-vtc-is-currently-being-51-attacked-53ab633c08a4 20:01 NEO Name Service CGAS DEMO: https://youtu.be/xKWj6ugOFwo 20:29 US Government eyes privacy coins: https://www.coindesk.com/us-homeland-security-is-interested-in-tracking-privacy-coins 21:13 The kids love crypto: https://www.marketwatch.com/story/for-the-first-time-teens-want-fortnite-v-bucks-and-cryptocurrency-instead-of-cash-2018-11-14?siteid=rss&rss=1 21:40 Bitfury x Paytomat: https://www.bitcoinlightning.com/bitfury-partners-with-paytomat-to-bring-lightning-network-to-your-favorite-restaurant/ 22:30 Be like Tom… https://i.redd.it/dk0656lcg5221.jpg 23:00 Livestream 8pm EST with Mark Moss: https://www.youtube.com/channel/UC9ZM3N0ybRtp44-WLqsW3iQ/videos 📩 Sign up for The Blockchain Brief Newsletter 👉 http://BlockchainBrief.kdub.co Buy Bitcoin on Coinbase ►► http://Coinbase.kdub.co Ledger Nano S Wallet ►► http://Ledger.kdub.co Buy Cryptos on Binance ►► http://Binance.kdub.co Buy Cryptos on Huobi ►► http://Huobi.kdub.co Buy Cryptos on Bibox ►► http://Bibox.kdub.co Buy Cryptos on KuCoin ►► http://KuCoin.kdub.co Follow me on Twitter ►► http://twitter.com/TheCryptoZombie Join The Telegram ►► https://t.me/joinchat/E67b8w-hQrMsZebuCC6peg DISCLAIMER: I am not a financial advisor. This is not financial advice. This is just my opinion. Always do your own research before investing. I am not responsible for your trades… Market Dumps Again!!! What Will Happen in 2019?!? MORE Anti-Crypto FUD & Manipulation! https://youtu.be/xUZ8rlNEP6U Watch this video again because it's awesome: https://youtu.be/o6Pofq4z0M4 #bitcoin #bitcoinfutures #cryptocurrency #blockchain #crypto #btc #bitcoincash #bch #bsv #ethereum #eth #ripple #xrp #tron #trx #icon #icx #origintrail #trac #smartlands #slt #quantnetwork #qnt #ark #factom #fct #vertcoin #vtc #neo $BTC $ETH $XRP $BCH $BSV $TRX $ICX $TRAC $SLT $QNT $ARK $FCT $VTC
Views: 11939 Crypto Zombie
SelectTec | Aula Nº 28 | Create Index - Oracle SQL Developer
 
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create index syntax: create unique index nome_indice tabela(colula)
Views: 1533 SelectTec
Sql Server tutorial || onlinetraining|| Merge statement Part-1 by Narayana
 
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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,TABLEAU,IPHONE,OBIEE,ANJULAR JS, 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......
4  Unfolding | Set Based Approach | How join works internally
 
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In this video, we are going to understand how join works internally. If you have a good understanding of joins and how it works, you can skip this video and move to the next video in this series. If not, lets start understanding the joins. You can download the script used in this example from my website link. http://www.sqlrelease.com/unfolding-set-based-approach-join-works-internally-episode-4 Connect with us: Facebook: https://www.facebook.com/sqlrelease Twitter: https://twitter.com/ergkranjan Google+: https://plus.google.com/+Sqlreleasepage LinkedIn: http://in.linkedin.com/in/ergkranjan Website: http://www.sqlrelease.com
Views: 1930 sqlrelease
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: 367544 kudvenkat
Temporary tables in SQL Server   Part 34
 
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In this video we will learn about 1. What are temporary tables 2. The 2 different types of temporary tables -- Local Temporary Tables and Global Temporary tables 3. Difference between local and global temp tables Text version of the video http://csharp-video-tutorials.blogspot.com/2012/09/temporary-tables-in-sql-server-part-34.html Slides http://csharp-video-tutorials.blogspot.com/2013/08/part-34-temporary-tables.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: 172867 kudvenkat
How to Install Oracle! !! Database Training
 
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For Complete Database Training Details Visit: http://www.qaonlinetraining.com http://infotek-solutions.com/ Delivery Method: Instructor led classroom and Online Training supported by world class Learning management system which automate all flow of lectures, videos, assignments, forums, quizzes and interview process. Class Schedule: Week-ends and Weekdays Contact Us: 571-437-0652, Mail Us: [email protected] Training Locations at : Ashburn / Fairfax / Maryland Office Address: 12801 Worldgate Dr #500, Herndon, VA 20170 Overview of Oracle DBA Training Oracle as a flexible, complex & robust RDBMS The evolution of hardware and the relation to Oracle Different DBA job roles (VP of DBA, developer DBA, production DBA, database babysitter) The changing job role of the Oracle DBA Environment management (network, CPU, disk and RAM) Instance management (managing SGA regions) Oracle table and index management Instance Architecture Instance vs. database Components of an instance Creating the OFA file structure ($DBA, bdump, udump, pfile) Oracle Instance Internals SGA vs. PGA Background processes Interfaces with server and disk I/O subsystem Using SQL*Plus for DBA management Connecting and executing SQL Using the “as sysdba” syntax Overview of SQL*Plus DBA commands (startup, etc.) Control file, UNDO and REDO management Explaining the use of control files Listing the Contents of the control File File locations for control Files Obtaining Control File Information Listing control file contents Displaying and Creating Undo segments Altering Undo Segments Determining the Number and Size of Undo segments Understanding flashback technology Troubleshooting Undo – snapshot too old Redo log concepts for recovery Online redo log (log_buffer) online redo logs and archived redo logs Oracle ARCH and LGWR background processes Redo log dictionary queries Redo log switch frequency and performance Multiplexing the Online Redo Log Files Archiving the Oracle Redo Logs Recovery using the redo log files User and privilege management The three security methods (VPD, Grant security/role-based security, grant execute) Creating New Database Users Using pre-spawned Oracle connections Auditing User activity Identifying System and Object Privileges Granting and Revoking Privileges Creating and Modifying Roles Displaying user security Information from the Data Dictionary Overview of instance management Parameter files (init.ora, listener.ora, tnsnames.ora) Rules for sizing SGA components Automated Oracle memory management (AMM) Initialization file management Creating the init.ora file Using spfile Displaying init.ora values with v$parameter Oracle*Net configuration Creating the listener.ora file Creating the tnsnames.ora file Data buffer configuration & sizing Inside the Oracle data buffers Using the KEEP pool Monitoring buffer effectiveness Using multiple blocksizes (multiple buffer pools) Shared pool and PGA configuration & Sizing Shared pool concepts and components Understanding the library cache Relieving shared pool contention Overview of PGA for sorting and hash joins Using sort_area_size, hash_area_size and pga_aggregate_target Troubleshooting network connectivity Verifying network connectivity with ping and tnsping Testing database links Oracle tables, views and materialized views Types of Oracle tables (regular, IOT, sorted hash clusters, nested tables) Oracle Views Oracle materialized views Oracle indexes Types of Oracle indexes (b-tree, bitmap, bitmap join index) Creating B*-Tree, bitmap and function-based Indexes Function-based indexes Finding indexing opportunities Index maintenance Oracle constraints Costs & benefits of constraints Types of Oracle indexes constraints (check, not null, unique, PK, FK) Cascading constraints Schema, File & tablespace management Describing the relationship between data files, tablespaces and table Understanding Oracle segments Creating Tablespaces – using the autoextend option Changing the Size of Tablespaces – alter database datafile command Defining a TEMP tablespace Changing the default storage Settings for a tablespace Review of the storage parameters in DBA views (ASM, ASSM, pctfree, pctused and freelists). Monitoring Chained rows (fetch continued rows) Monitoring Insert and Update performance (pctused, APPEND) Database Maintenance Reason for reorgs – chained rows, imbalanced freelists Reorganizing Tables using Export and Import Using CTAS to reorganize data Index rebuilding Backup & Recovery overview (hot & cold Backups, RMAN, block change tracking) Oracle DBA Utilities Data pump (Imp and exp utilities) SQL*Loader LogMiner Flashback DataGuard Oracle DBA utilities – Oracle dbms packages (dbms_redefinition)
Query Tuning 101: Access vs. Filter Predicates In Execution Plans
 
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Have you ever wondered what the difference is between the "filter predicates" or "access predicates" steps listed in execution plans - or even what a predicate is? If so, watch this video to find out! 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: 4781 The Magic of SQL

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