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Optimizer Statistics
 
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Optimizer Statistics watch more videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjab, Tutorials Point India Private Limited
ORACLE WORLD - Understanding Oracle Optimizer Statistics part-1st
 
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Hello friends in this video i'm just showing to you what is optimizer statistics into oracle,optimizer help to improve the performance of sql statements during execution period.Oracle database #ORACLEWORLD #OracleOptimizerStatistics Unbeatable,Unbreakable Platform..
Views: 6824 Oracle World
Oracle Performance - DBMS_STATS
 
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Oracle Performance - DBMS_STATS
Views: 4240 The Silent DBA
0303 Gathering Statistics
 
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ORACLE
Views: 1687 oracle ocm
Oracle Database Performance Tuning - Optimizer Statistics Gathering
 
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In this video we explain how to gather the database optimizer statistics #performancetuning, #oracledatabase, #oracle, #database, #optimizerstatistics, #learning, About Optimizer Statistics Collection In Oracle Database, optimizer statistics collection is the gathering of optimizer statistics for database objects, including fixed objects. The database can collect optimizer statistics automatically. You can also collect them manually using the DBMS_STATS package. Purpose of Optimizer Statistics Collection The contents of tables and associated indexes change frequently, which can lead the optimizer to choose suboptimal execution plan for queries. To avoid potential performance issues, statistics must be kept current. To minimize DBA involvement, Oracle Database automatically gathers optimizer statistics at various times. Some automatic options are configurable, such enabling AutoTask to run DBMS_STATS. Stats collection Stats gathering database performance tuning, 10g, 11g 12c database administration
Views: 144 KINGS TUBE
SQL: Introduction to Optimizer in Oracle
 
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In this tutorial, you'll know what is the meaning and use of Optimizer in Oracle
Views: 17670 radhikaravikumar
Oracle Performance Tuning - Oracle Enterprise Manager - Understanding Statistics
 
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Connect with me or follow me at https://www.linkedin.com/in/durga0gadiraju https://www.facebook.com/itversity https://github.com/dgadiraju https://www.youtube.com/c/TechnologyMentor https://twitter.com/itversity
Views: 4399 itversity
Let's Learn Teradata Lesson 82: Collect Statistics
 
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Explore Teradata with Tera-Tom of Coffing Data Warehousing! In this lesson, learn about the Collect Statistics function in Teradata!
0302 About Optimizer Statistics
 
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ORACLE
Views: 105 oracle ocm
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: 96096 radhikaravikumar
ORACLE WORLD - Understanding Oracle Optimizer Statistics part-2nd
 
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Hello friends in this video i'm just showing to you what is optimizer statistics into oracle,optimizer help to improve the performance of sql statements during execution period. #ORACLEWORLD #OptimizerStatistics Oracle database Unbeatable,Unbreakable Platform.
Views: 2309 Oracle World
Ahmed Jassat - Oracle Ebus Gather Schema from 3 hours to 3 minutes
 
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Ahmed Jassat - Oracle Ebus Gather Schema from 3 hours to 3 minutes
Views: 988 Ahmed Jassat
DB Statistics
 
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Views: 1239 chaitanya kumar
How to Collect STATSPACK
 
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Views: 472 Ray Wong
Statistics in Oracle and SQL Server
 
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The better the information that Oracle and SQL Server have about the data in a database, the better choices they can make on how to execute the SQL. Statistics are Oracle's and SQL Server's chief source of information. If this information is out of date, performance of queries will suffer. In their third live 'Oracle vs. SQL Server' discussion, Jonathan Lewis (Oracle Ace Director, OakTable Network) and Grant Fritchey (Microsoft SQL Server MVP) will look at statistics in Oracle and SQL Server. Do Oracle and SQL Server gather the same information? What does each optimizer use this information for? And how can Oracle and SQL Server administrators override the defaults for better (or worse) performance? These are just some of the questions that Jonathan and Grant will try to answer in another not-to-be-missed session. As before, this will be a live discussion with limited supporting slides, and will conclude with a Q+A session with Jonathan and Grant. Be prepared for a lively exchange that will not only entertain, but will teach you key concepts on Oracle and SQL Server. For our complete archive please go to http://www.red-gate.com/oracle-webinars
Views: 2365 Redgate Videos
Oracle Database 12c: Enhanced Optimizer Statistics with Tom Kyte
 
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Tom Kyte discusses enhanced optimizer statistics followed by a demo of on-load statistics gathering in Oracle Database 12c. "Online Statistics Gathering for Bulk Loads" http://www.oracle.com/pls/topic/lookup?ctx=db121&id=TGSQL344 "Histograms" http://www.oracle.com/pls/topic/lookup?ctx=db121&id=TGSQL366 "CREATE TABLE ... AS SELECT" http://www.oracle.com/pls/topic/lookup?ctx=db121&id=DWHSG8317 "CREATE TABLE" http://www.oracle.com/pls/topic/lookup?ctx=db121&id=SQLRF01402
Views: 7941 OracleDBVision
Are my index statistics wrong?  Why does NUM_ROWS equal zero?
 
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blog: connor-mcdonald.com Highlights from the April DBA Office Hours session. Office Hours is 100% free Q&A sessions held every month by Oracle experts to help you succeed with the Oracle suite of technologies. Music: Smells Like Summer - Del (Vlog Music No Copyrighted) Video Link: https://youtu.be/IrkMsqcOjGU
Views: 271 Connor McDonald
Stats lesson 1   Gathering Data
 
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MBF3C - Statistics Lesson 1 - Mrs. Meyers
Views: 1576 MrsLZarate
Oracle SQL Performance Tuning  1
 
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Oracle SQL Performance Tuning and tips Cost Based Optimizer (CBO) Rule Based Optimizer (RBO) SQL Explain Plan Oracle Explain Plan
Views: 12137 TechLake
Lock and Unlock table statistics in Oracle Database
 
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Lock and Unlock table statistics in Oracle Database
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: 10816 Tech Query Pond
Let's Learn SQL! Lesson 52 : Collecting Statistics on a Volatile Table!
 
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Explore SQL with Tom Coffing of Coffing Data Warehousing! In this lesson, learn about how you can Collect Statistics on a Volatile Table!
Query Analysis and Optimizing in Oracle
 
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Database Management Systems 11. Query Analysis and Optimizing in Oracle ADUni
Views: 83662 Chao Xu
Oracle  AUTOTRACE Fundamentals to Analyze & Tune SQL
 
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This Tutorial will explain fundamentals of Oracle AUTOTRACE. Set up & Use AUTOTRACE. Review PLAN & Statistics generated by AUTOTRACE. Understanding Statistics details.
Views: 22894 Anindya Das
Oracle Explain Plan
 
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Oracle SQL Executions: Explain Plan and Execution Plan A simple introduction with a single table example
Views: 936 Hemant K Chitale
Oracle Tutorial - How to add virtual column in oracle 11g
 
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Hello friends in this video i'm going to demonstrate you how to add virtual column in ORACLE 11g step by step. Oracle 11g supports virtual columns which are derived from the other columns in the table. You can use the virtual columns in your queries, you can index them, you can collect the statistics, etc. There are few restrictions on the virtual columns. You cannot write/insert the data into virtual columns. There is no support for index_organized, external, object, cluster, temporary tables.
Views: 1351 OCP Technology
Session-Private Statistics for Global Temporary Tables (GTTs) in Oracle 12c
 
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This video the session-private statistics functionality for Global Temporary Tables (GTTs) in Oracle 12c. For more information see: https://oracle-base.com/articles/12c/session-private-statistics-for-global-temporary-tables-12cr1 Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Enrique Aviles Twitter: https://twitter.com/eaviles94 Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 751 ORACLE-BASE.com
oracle interview question oracle index function based index
 
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Title: Oracle Interview Question - oracle index related questions - Function based index in oracle 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?
Views: 143 Siva Academy
[Oracle EBS Performance Tuning: 2/4 ] Gathering Performance Diagnostics for Oracle EBS
 
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Multiple ways of collecting diagnostics for troubleshooting performance issues. The series of SQL tuning videos presents performance tuning tips for developers
Views: 4626 anilkumar ghorakavi
How to tune Oracle SQL with Histograms: Part 1 The Importance of Histograms
 
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Histograms are essential ingredient of Tuning SQL in the Oracle Database. In Oracle 12c there are new features related to Histogram. In this part of this histogram tutorial, Oracle Certified Master John Watson describes the importance of histograms. Histograms collect essential statistics such as data skew and thus accurately predict how many rows a predicate will select. This impacts critical decisions such as join order, join method and access method.
Views: 2191 SkillBuilders
How to gather session stats using Session Built In Variable.
 
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How to gather session stats using Session Built In Variable? Use session built in variable at command or email component of a respective task's command tab.
Views: 1770 Mandar Gogate
Stats Explanation
 
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Oracle Rugby offers an insight to how stats are calculated in tipping for more go to: http://oraclerugby.com/
Views: 187 Oracle Rugby
Statistics and Predictive Analytics in Oracle Database and Hadoop
 
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Statistics and Predictive Analytics in Oracle Database and Hadoop: Oracle Technology Summit - Virtual Technology Days 2015
ORACLE WORLD-Understanding Oracle Optimizer plans part-3rd
 
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Hello friends in this video i'm just showing to you what is optimizer statistics into oracle,optimizer help to improve the performance of sql statements during execution period. #Optimizerplans #ORACLEWORLD
Views: 1542 Oracle World
SQL Tuning with Oracle Database 12c Histograms
 
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Learn the new 12c options for creating histograms. See all free video tutorials at http://www.skillbuilders.com/free-oracle-tutorials. In this free tutorial, Oracle Certified Master DBA John Watson demonstrates what histograms do (provide correct cardinality), the difference between histogram types (Frequency and Height Balanced). You will also learn the importance of the auto sample size algorithm in 12c and the new "Hybrid" and "Top Frequency" type histograms.
Views: 3572 SkillBuilders
Java Performance: Collecting Performance Statistics
 
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http://www.informit.com/store/java-performance-livelessons-video-training-downloadable-9780133443554 This video is a sample excerpt from Java Performance LiveLessons. 4+ Hours of Video Instruction Based on the best-selling book,Java Performance, Java Performance LiveLessons covers the latest Oracle and third-party tools for monitoring and measuring performance on a wide variety of hardware architectures and operating systems. Renowned expert, Charlie Hunt, provides viewers with an overview of a modern Java Virtual Machine, the critical performance statistics to monitor within an operating system, JVM, and Java application, an overview of how the HotSpot garbage collectors work, an explanation of the garbage collection output produced by the garbage collectors, and a step-by-step approach to tuning a Java application. Charlie Hunt is the Performance Engineering Architect at Salesforce.com. He was previously at Oracle, where he was responsible for improving the performance of the HotSpot JVM and Java SE class libraries. He has also been involved in improving the performance of the Oracle GlassFish and Oracle WebLogic servers. A regular JavaOne speaker on Java performance, he is coauthor of Java Performance (Addison-Wesley, 2011) and NetBeans™ IDE Field Guide (Prentice Hall, 2005). Skill Level: Intermediate to Advanced Java programmer/developer Who Should Take This Course?: Beginner to Advanced Java and JVM performance tuning engineer, and Advanced Java user / developer What You Will Learn: The differences between a JRE and the JDK, how to install both, and the major components of the HotSpot Java Virtual Machine What performance statistics to monitor and collect and at each level of the software stack: OS, JVM, and Java application How to tune the JVM's garbage collector How to tune, step-by-step, the HotSpot JVM Course Requirements: Fluent with, or a good understanding of, the Java programming language Basic understanding of a Java Virtual Machine is helpful, but not required The LiveLessons Video Training series publishes hundreds of hands-on, expert-led video tutorials covering a wide selection of technology topics designed to teach you the skills you need to succeed. This professional and personal technology video series features world-leading author instructors published by your trusted technology brands: Addison-Wesley, Cisco Press, IBM Press, Pearson IT Certification, Prentice Hall, Sams, and Que. Topics include: IT Certification, Programming, Web Development, Mobile Development, Home and Office Technologies, Business and Management, and more. View all LiveLessons on InformIT at http://www.informit.com/livelessons
Views: 1560 LiveLessons
SQL Server Statistics – Are My Stats Objects Being Used? by Amit Bansal
 
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In this video, you will learn some quick techniques to identify which stats objects are being used by the SQL Optimizer. These techniques can help you in your query tuning endeavors. 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: 435 SQLMaestros
Oracle's Elixir Founder talks creating the No. 1 LoL Esports Statistics + Analytics Website
 
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MarkZ sits down for an interview with Tim "Magic" Sevenhuysen, a man who has been working behind the scenes to provide important statistics and analytical tools for analysts, coaches, the media, and more in the world of League of Legends esports. Among those in the LoL esports field, Oracle's Elixir has become the go-to place to obtain League of Legends statistics which have become increasingly valuable as teams delve into the numbers to help give their players an extra edge. Statistics from the website are regularly referenced by broadcasters, writers, and players. The site is often referenced and featured on the LCS, LCK, LMS, CBLoL, and Intel Extreme Masters broadcasts to name a few places where the data is put to use. Connect with us for more content: League of Legends Videos: https://goo.gl/MoeSRf Overwatch Videos: https://goo.gl/XhAe5O Esports Chatter: https://goo.gl/Uk07gI PROFiles Videos: https://goo.gl/fqMp7e Website: http://www.akshonesports.com Facebook: https://www.facebook.com/akshonesports/ Instagram: https://www.instagram.com/akshonesports/ Twitter: https://twitter.com/akshonesports You can follow Tim and his work here: https://oracleselixir.com Twitter: https://goo.gl/ZHZN7K
Oracle Performance Tuning - Function Based Indexes
 
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A overview of the function based index and a common mistake which is made by most of us.
Views: 525 Saurabh Kumar
Why Isn't My Query Using an Index?
 
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“Why isn’t my query using an index?” is a common question people have when tuning SQL. This session explores the factors that influence the optimizer’s decision to answer this question. It does so by comparing fetching rows from a database table to finding all the red M&Ms a packet, and contrasts using an index range scan and a full table scan. It also introduces the concepts of blocks and the clustering factor. The session offers a discussion of how these affect the optimizer's calculations, and includes a demo of how these concepts work in practice using real SQL queries. This session is intended for developers who want to learn the basics of how the optimizer chooses between an index range or full table scan. Speaker: Chris Saxon
Views: 272 Oracle Developers
SQL Tuning with Histograms Demonstration Part 3 of 4
 
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Learn how to use Oracle Histograms! Histograms are essential ingredient of Tuning SQL in the Oracle Database. In this part of the tutorial, SkillBuilders' Oracle Certified Master John Watson describes the importance of histograms. Histograms collect essential statistics such as data skew and thus accurately predict how many rows a predicate will select. This impacts critical decisions such as join order, join method and access method. See all free Oracle Database tutorials from SkillBuilders at http://www.skillbuilders.com/free-oracle-tutorials.
Views: 1092 SkillBuilders
How To Troubleshoot a Slow Running Query in SQL Server (Extended Events & Wait Stats) by Amit Bansal
 
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In this video, you will understand how to track waits stats for a given query/session using Extended Events. 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) Suggest us topics that you wish to learn through our videos: http://www.dataplatformgeeks.com/dpg-suggest-topics/ 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/Data group on FaceBook – https://www.facebook.com/groups/thesqlgeeks/ 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 -http://www.dataplatformgeeks.com/
Views: 44846 SQLMaestros
Oracle High Water Mark
 
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A Brief video about Oracle's Table High Water Mark and How to resolve issues associated with it Music: https://www.bensound.com
Views: 249 ORA-600

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