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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: 6505 TechLake
Why Use Parallel Processing?
 
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This video compares the use of parallel and serial processing for the same SQL query. 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.
SQL * Loader Tutorial 4 : SQL Loader Insert options INSERT, APPEND , REPLACE and TRUNCATE
 
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SQL * Loader Tutorial 4 : SQL Loader Insert options INSERT, APPEND , REPLACE and TRUNCATE 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: 548 TechLake
Oracle Hints explained
 
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Oracle Hints
Views: 425 Telugu Blast News
Using Hint Parallel
 
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Cơ sở dữ liệu nâng cao
Views: 261 h2a
Oracle 11g Hints Overview
 
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In this Video tutorial we will discuss about Optimizer hints in Oracle. What is optimizer hint, when & why its needed. Different Category of hints. Description of mostly used hints. Demonstrate how query plan can change with the influence of hint.
Views: 51931 Anindya Das
Oracle Performance Tuning - Loading Data - 04 Direct Path Load
 
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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: 1879 itversity
Oracle Tutorial - Insert into a table in different ways
 
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Oracle Tutorial: Insert into a Table in different ways
Views: 39 Tech Acad
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: 1511 TechLake
SQL: Optimizer Hints Part-3
 
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In this tutorial, you'll learn...what are optimizer hints and how to use it.. SQL (pronounced "ess-que-el") stands for Structured Query Language. SQL is used to communicate with a database. According to ANSI (American National Standards Institute), it is the standard language for relational database management systems.
Views: 10295 radhikaravikumar
eXtrem Parallel Processing for Oracle
 
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eXtrem Parallel Processing for Oracle
Views: 185 Petr Jezek
Queue & Advanced Queue
 
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What are the difference between Queue and Advanced Queue in Rover? Watch our video to learn more about these great tools! Check out StayNTouch's website: http://stayntouch.com/ Stay up to date on our product by reading the articles in our Knowledge Base: https://stayntouch.freshdesk.com/support/home
Views: 868 StayNTouch, Inc.
DML Processing in an Oracle Database -  DBArch Video 8
 
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This video explains the steps involved in processing a DML statement in an Oracle Database Server. Our Upcoming Online Course Schedule is available in the url below https://docs.google.com/spreadsheets/d/1qKpKf32Zn_SSvbeDblv2UCjvtHIS1ad2_VXHh2m08yY/edit#gid=0 Reach us at [email protected]
Views: 52715 Ramkumar Swaminathan
Introduction to Basics of a Query Hint - SQL in Sixty Seconds #013
 
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This video explains the fundamentals of the SQL Server Query Hints. Visit http://bit.ly/KH9u8I for Script, Quiz and further learning.
Views: 8770 Pinal Dave
SQL * Loader Tutorial 5: SQL Loader SKIP & FILLER options
 
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SQL * Loader Tutorial 5: SQL Loader SKIP & FILLER options SQL * Loader SKIP & FILLER options 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: 637 TechLake
Oracle Hints - FIRST_ROWS - Example
 
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Excerpt from "Oracle sql tuning-advanced" video tutorial training. www.dbvidya.com/course/sql-tuning-advanced/ [email protected] +91 991 2323 000 Oracle Performance Tuning Online Training : http://www.dbvidya.com/course/performance-tuning-for-dba/ Oracle SQL Performance Tuning Training Online : http://www.dbvidya.com/course/sql-tuning-advanced/ Oracle Performance Tuning Videos Tutorial for DBA and Developers : http://www.dbvidya.com/oracle-performance-tuning-videos/ Oracle AWR Tutorial: http://www.dbvidya.com/course/oracle-awr/ Erwin Tool Online Training : http://www.dbvidya.com/course/erwin-tool/ ER Data Modeling Course : http://www.dbvidya.com/course/er-modeling/ Dimensional Modeling Training Online : http://www.dbvidya.com/course/dimensional-modeling/ Oracle Database Blogs : http://www.dbvidya.com/blog/
Views: 128 DbVidya
Inside the SQL Server Query Optimizer
 
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So how does SQL Server pick which plan to run? If you've ever wanted to get a better understanding of how the Query Optimizer works, this is the talk to attend. Come listen to a member of the Query Processor development team explain how a query goes from SQL to the final plan. This talk will cover conceptual topics like how query trees are built and how the optimizer stores all of the alternatives it is considering. Additionally, the talk will examine examples in areas including index matching, parallel query generation, and update processing so that you can apply these concepts to better debug your own queries using the same techniques. Спикер: Conor Cunningham Слайды: https://sqlbits.com/Downloads/115/Inside%20the%20SQL%20Server%20Query%20Optimizer%20-%20Conor%20Cunningham.pptx
Views: 73 SQLCom ru
Partition and Partition point parallel data processing and data redistribution
 
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This video demonstrates, 1) What is partition and partition point. 2) How are they used together to sever the purpose of parallel processing of data, ensuring the data integrity. 3) How it helps in obtaining better performance.
Views: 24818 Informatica Support
Oracle Part 3 Data groups and types
 
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Identify data, group data, associate data type and length
Views: 1549 Free OpenMentor
Vim Tutorial - Insert / Append Text (Part 2)
 
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In this session, we will learn how to insert (append) a text using s (S) command...
Views: 348 kholidfu
Optimize Code with Merge Statement in Oracle PLSQL.
 
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Merge Statement in PLSQL not only optimize you code, it also make you code looks good and readable, save you from using a long and redundant code like using cursor loop, plsql collection object, all done with a few line of statement.
Views: 1080 Subhroneel Ganguly
Oracle ForAll Clause
 
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This video will explain you, what is Oracle FORALL clause, how this helps to enhance performance.
Views: 2108 amit wadbude
Oracle Performance Tuning - Loading Data - 05 Direct Path Load
 
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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: 1671 itversity
SQL Server Performance Tuning  Controlling Parallelism
 
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Parallelism seems like it should be one of those things that the query engine takes care of for us, but it does require some care and tending from time to time. The default server configurations are no longer adequate for controlling parallelism, and DBAs need to know how to tweak the settings to make it run optimally. When parallelism goes awry, it can cause severe performance problems. Sometimes only for a specific query, sometimes it can hurt performance server-wide. To add a little complexity to the mix, parallelism can also be controlled by query hints and Resource Governor. Understanding how these three options for setting the Max Degree of Parallelism interact and who wins when they conflict is critical in being able to understand how to control it. Robert is a SQL Server Certified Master, MVP, and experienced DBA, evangelist, speaker, writer, and trainer. He has worked with SQL Server for 15+ years. He recently worked for Outerwall, Idera Software, and Microsoft. He served as PM for the SQL Server Certified Master Program at Microsoft Learning, and as a production DBA at Microsoft. He currently works as a principal database architect at DB Best Technologies. Robert is co-founder and co-leader of the PASS Security Virtual Chapter.
Views: 3059 DBAFundamentals
Multiple Inserts
 
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Views: 26 Geeky Abhijeet
How to Install Oracle SQL Developer
 
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Views: 171 T3SO Tutorials
Efficient Function Calls From SQL (Part 5) : Pipelined Table Functions
 
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The fifth part of a mini-series of videos showing how you can improve the performance of function calls from SQL. In this episode, we compare the performance of conventions table functions with pipelined table functions. For more information see: https://oracle-base.com/articles/misc/pipelined-table-functions https://oracle-base.com/articles/misc/efficient-function-calls-from-sql Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Mike Dietrich : Blog: https://blogs.oracle.com/UPGRADE Twitter: https://twitter.com/MikeDietrichDE Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 11527 ORACLE-BASE.com
Real-World Performance - 8 - Set Based Parallel Processing
 
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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 demonstrates how set based parallel processing 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.
Sql Server Degree of Parallelism and Parallel Query Plans
 
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Hey DBA guys! Ever wondered what goes behind when SQL Server chooses a parallel query plan or otherwise? Here's a slideshow explaining that! Happy reading! Got some feedback? Mail me at [email protected] ! Enjoy!
Views: 713 SQL Server DBA
Oracle 11g New Features : SQL Plan Management  (Baselining)
 
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Oracle 11g SQL Plan Management, a.k.a. Baselining, will solve the major issues of change control. We can give you an absolute guarantee - if you configure this as part of your upgrade - that SQL statement execution (performance) will never regress. You may also like our new and free Oracle 12c video tutorials, https://www.skillbuilders.com/free-oracle-database-tutorials . This tutorial is particularly relevant: it provides a review of baselining then reveals 12c performance features https://www.skillbuilders.com/free-oracle-database-tutorials/oracle-12c-sql-performance-features-agenda-session/
Views: 10222 SkillBuilders
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.
introduction to sql - Advanced Subqueries
 
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Course Description – sql2 COURSE DESCRIPTION: Introduction to Oracle9i: SQL consists of two modules, Introduction to Oracle9i: SQL Basics andOracle9i: Advanced SQL. Introduction to Oracle9i: SQL Basics covers creating database structures and storing, retrieving, and manipulating data in a relational database. Oracle9i: Advanced SQL covers advanced SELECT statements, Oracle SQL and iSQL*Plus Reporting.For people who have worked with other relational databases and have knowledge of SQL, another course, called Introduction to Oracle9i for Experienced SQL Users is offered. This course covers the SQL statements that are not part of ANSI SQL but are specific to Oracle.   The Oracle server extends the data modeling capabilities to support an object relational database model that brings object-oriented programming, complex data types, complex business objects, and full compatibility with the relational world. It includes several features for improved performance and functionality of online transactionprocessing (OLTP) applications, such as better sharing of run-time data structures, larger buffer caches, and deferrable constraints. Data warehouse applications will benefit from enhancements such as parallel execution of insert, update, and delete operations; partitioning; and parallel-aware query optimization. COURSE OBJECTIVES: in this course In Oracle9i, you can include the time zone in your date and time data, and provide support for fractional seconds. Three new data types are added to DATE: TIMESTAMP TIMESTAMP WITH TIME ZONE (TSTZ) TIMESTAMP WITH LOCAL TIME ZONE (TSLTZ) Oracle9i provides daylight savings support for datetime data types in the server Create, maintain, and use sequences Create and maintain indexes Create private and public synonyms WHO SHOULD ATTEND?   COURSE OUTLINE:   Creating Views Other Database Objects Controlling User Access SQL Workshop Using SET Operators Oracle9i Datetime Functions Enhancements to the GROUP BY Clause Advanced Subqueries Hierarchical Retrieval Oracle9i Extensions to DML and DDL Statements
Views: 378 EasyShiksha TV
MNG2: The Optimizing Compiler of Oracle PL/SQL (PL/SQL Channel)
 
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In Oracle Database 10g and higher, the PL/SQL compiler will automatically optimize your code to make it run faster. This lesson explores how the optimizer works, how it can affect your code, and how you can set the optimization level. This video was taken from PLSQLChannel.com, originally recorded before Steven Feuerstein re-joined Oracle in March 2014. ======================================== Practically Perfect PL/SQL with Steven Feuerstein 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.
Bulk collect and update in oracle plsql with example
 
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Bulk collect in oracle with limit clause example
Views: 1181 Oracle PL/SQL
introduction to sql - Enhancements to theGROUP BY Clause
 
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Course Description – sql2 COURSE DESCRIPTION: Introduction to Oracle9i: SQL consists of two modules, Introduction to Oracle9i: SQL Basics andOracle9i: Advanced SQL. Introduction to Oracle9i: SQL Basics covers creating database structures and storing, retrieving, and manipulating data in a relational database. Oracle9i: Advanced SQL covers advanced SELECT statements, Oracle SQL and iSQL*Plus Reporting.For people who have worked with other relational databases and have knowledge of SQL, another course, called Introduction to Oracle9i for Experienced SQL Users is offered. This course covers the SQL statements that are not part of ANSI SQL but are specific to Oracle.   The Oracle server extends the data modeling capabilities to support an object relational database model that brings object-oriented programming, complex data types, complex business objects, and full compatibility with the relational world. It includes several features for improved performance and functionality of online transactionprocessing (OLTP) applications, such as better sharing of run-time data structures, larger buffer caches, and deferrable constraints. Data warehouse applications will benefit from enhancements such as parallel execution of insert, update, and delete operations; partitioning; and parallel-aware query optimization. COURSE OBJECTIVES: in this course In Oracle9i, you can include the time zone in your date and time data, and provide support for fractional seconds. Three new data types are added to DATE: TIMESTAMP TIMESTAMP WITH TIME ZONE (TSTZ) TIMESTAMP WITH LOCAL TIME ZONE (TSLTZ) Oracle9i provides daylight savings support for datetime data types in the server Create, maintain, and use sequences Create and maintain indexes Create private and public synonyms WHO SHOULD ATTEND?   COURSE OUTLINE:   Creating Views Other Database Objects Controlling User Access SQL Workshop Using SET Operators Oracle9i Datetime Functions Enhancements to the GROUP BY Clause Advanced Subqueries Hierarchical Retrieval Oracle9i Extensions to DML and DDL Statements
Views: 27 EasyShiksha TV
SQL: The MERGE Statement
 
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This video gives a quick overview of the MERGE statement in SQL. For more information see: https://oracle-base.com/articles/9i/merge-statement https://oracle-base.com/articles/10g/merge-enhancements-10g Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Cary Millsap : Blog : http://carymillsap.blogspot.co.uk/ Twitter : https://twitter.com/CaryMillsap Cameo appearances are for fun, not an endorsement of the content of this video. All trademarks, product names and logos are the property of their respective owners.
Views: 8510 ORACLE-BASE.com
Oracle Database 11g: Performance Tuning
 
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מנהלי בסיסי נתונים, בואו ללמוד איך ניתן לנתח ולשפר משמעותית את ביצועי בסיס הנתונים בגרסת ORACLE 11g מפי עמי אהרונוביץ, מנהל תחום אורקל בג'ון ברייס מכללת הי-טק, יו"ר ארגון משתמשי אורקל בישראל. המציג את הקורס המתקדם ל- MASTER DBA בנושא ניטור ושיפור ביצועים בגרסת ORACLE DBA . לפרטים נוספים על הקורס הקליקו: http://bit.ly/17kSy33 בואו להיות חברים שלנו בפיסבוק : http://on.fb.me/J6Ru6b
Views: 279 JohnBryceTraining
Conquer DB2 Optimization Video
 
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Are you losing sleep over the need to continually improve DB2 database performance? Database optimization tasks can help increase performance, scalability, platform support, standards compliance, and usability. But these techniques can be difficult to process, build, test, and deploy. Rest assured there is a solution. Discover how you can optimize performance and simplify operations to unlock the power and value of your DB2 data, while reducing costs and risk. Join CA Technologies hosts - Vikas Sinha, Sr Vice President, Database Management and DJ Joshi, Sr Principal Product Manager, Database Management - as they reveal new enhancements and features such as zIIP exploitation and IDAA support. Is your DB2 database being used to its fullest potential? Find out in this 4-part video series. Database Administrators struggle to build, test and deploying new DB2 database functions while in parallel optimizing performance. In this segment, they discuss DB2 optimization challenges and opportunities
Views: 64 CA Communities
The Oracle Tuning Service of Your Dreams
 
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http://themagnumgroup.net/oracle-tuning.htm Have you gasped in disbelief when a local Oracle tuning service quoted $400 per hour for tuning your database? Imagine how delighted you will feel when you discover our Oracle tuning experts charge you less than half of that for remote repair of the same application! Our Oracle tuning experts have thousands of hours' experience tuning very large Oracle databases and have profound technical knowledge of the nuances of an Oracle system. For instance, they use a combination of ratio analysis, wait analysis and workload analysis when they tune a malfunctioning database. Don't agonize over high Oracle tuning costs: get in touch with us using the form at http://themagnumgroup.net/oracle-tuning.htm for a free consultation on the approach we would use to solve your particular Oracle database problem.
Views: 451 TMGvblog
SQL Data service Virtual table as a source and lookup in PowerCenter Mapping
 
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Thi video demonstrates SQL Data service/Virtual table as a source and lookup in PowerCenter Mapping
Views: 890 Informatica Support
Informatica : SQL Tranformation
 
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Updating records at relational target using Dynamic Update query at SQL Tranformation in informatica
Views: 39759 Mandar Gogate
"Магические числа", локальные переменные и быстродействие выполнения запросов
 
01:17:29
Описание: В докладе рассматривается зависимость между способом написания запросов ("горячие" запросы, запросы с использованием локальных переменных, хранимые процедуры, параметризованные запросы) и планом выполнения запросов. Коснемся взаимоотношения повторного использования плана запроса и его качества (статистика распределения данных, прослушивание параметров, "плохие" наборы параметров, опция рекомпиляции). Докладчик: Андрей Зробок - ведущий разработчик баз данных (EPAM Systems). Более 20 лет опыта в разработке баз данных: разработка дата - ориентированных приложений с нуля, поддержка и модификация существующих приложений, миграция данных и приложений между различными базами данных, оптимизация производительности баз данных, ETL (SSIS) задачи, консалтинг, инструктор по базам данных... Опыт работы с базами данных: FoxPro, MS SQL, Oracle, Sybase, MySQL, PostgreSQL. Выступал на SQLSaturday #219, #290, #377;#416; PASS SQL Server User Groups
Views: 870 russianVC
Deep Purple - Smoke on the Water
 
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Views: 81732385 Ian Locke
Hugh Laurie reads Gulliver's Travels by Jonathan Swift - Audiobook
 
05:33:39
Shipwrecked and cast adrift, Lemuel Gulliver wakes to find himself on Lilliput, an island inhabited by little people, whose height makes their quarrels over fashion and fame seem ridiculous. His subsequent encounters - with the crude giants of Brobdingnag, the philosophical Houyhnhnms and the brutish Yahoos - give Gulliver new, bitter insights into human behaviour. Swift's savage satire view mankind in a distorted hall of mirrors as a diminished, magnified and finally bestial species, presenting us with an uncompromising reflection of ourselves. 1:23:45 -Part 2 2:44:00 -Part3 4:09:51 -Part 4 Goodreads: https://www.goodreads.com/book/show/7733.Gulliver_s_Travels
Views: 1040 Decibel - Audiobooks
How to change the amount of RAM assigned to a virtual machine in VirtualBox Manager
 
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Author and talk show host Robert McMillen explains how to change the amount of RAM assigned to a virtual machine in VirtualBox Manager.
Views: 27880 Robert McMillen
Normalize Data for Excel Pivot Table
 
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http://www.contextures.com/xlPivot08.html Before you create an Excel pivot table, make sure your data is set up correctly. The data should be normalized, with similar data in a single column, instead of divided into many columns. To fix the data, if your data has amounts in monthly or yearly columns, you can use this simple trick to rearrange it. This technique use a multiple consolidation ranges pivot table, to convert the data with a few clicks. Then, instead of one column for each month, you will have a single column, with the month name for each record, and another column with the amount. Watch this Excel tutorial video, to see the steps for normalizing your data, and preparing it for use in an Excel pivot table.
Views: 90655 Contextures Inc.

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