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20 Essential Oracle SQL and PL/SQL Tuning Tips
 
01:11:53
SQL and PL/SQL are powerful languages used to access an Oracle database. Today's databases contain mountains of data which presents itself as a challenge when trying to get to the data we want to in a timely fashion. In this FREE Webinar, OCP DBA John Mullins will present 20 valuable tips to help your SQL or PL/SQL perform better. The tips cover every angle regarding SQL and PL/SQL performance, making the presentation suitable for all job roles. Demonstrations will be used to support many of the tips and Oracle 11g and 12c will be covered.
Views: 36725 Themis Education
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: 10795 TechLake
Four Steps to Oracle SQL Tuning  - A Methodolgy
 
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Learn a predictable and repeatable methodology for tuning Oracle SQL statements. Just four steps that you should always follow when tuning an SQL statement. (Note this video does not contain examples of how to apply the four steps, just what the steps are.) Oracle Certified Master John Watson presents. John concludes with a brief overview of how SkillBuilders SQL tuning course provides the information you need to apply the four steps. Learn more about SkillBuilders SQL Tuning course http://skillbuilders.com/oracle-sql-tuning-training 1. What is Oracle doing? (explain plan, trace) 2. Why is Oracle doing it that way? (analyze the execution plan) 3. Is there a better way? Test! 4. If there's a better way, push the CBO towards the better way.
Views: 11878 SkillBuilders
SQL Performance Tuning 2 and tips
 
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SQL Performance Tuning 2 and tips Oracle Performance Tuning Oracle SQL Performance Tuning Tips
Views: 4252 TechLake
Query Analysis and Optimizing in Oracle
 
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Database Management Systems 11. Query Analysis and Optimizing in Oracle ADUni
Views: 83194 Chao Xu
10 Query Tuning Techniques Every SQL Programmer Should Know
 
01:34:44
Presenters: Kevin Kline Aaron Bertrand
Views: 247854 PASStv
SQL Tuning Advisor & Baselines
 
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SQL Tuning Advisor & Baselines watch more videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjab, Tutorials Point India Private Limited
Oracle Tuning Tips
 
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Orcale Tuning Tips
Views: 176 srsvad
SQL Tuning for Beginners Part 1 - Tuning Methodology and Basic Optimization Concepts
 
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Get started with Oracle SQL Tuning! Designed for developers, DBA's and Analysts who are new to SQL Tuning, this free tutorial introduces a tuning methodology, basic tuning concepts. Part 2 provides a demonstration of explain plan and autotrace for getting an execution plan. Watch Part 2 and 3 - **FREE** - at http://www.skillbuilders.com/oracle-sql-tuning-for-beginners-tutorial. Presented by Dave Anderson and Oracle Certified Master John Watson. Attend 1-day class for beginners, online or on-premise: http://www.skillbuilders.com/oracle-sql-tuning-training-for-beginners
Views: 9503 SkillBuilders
Oracle Database Performance Tuning for Admins and Architects
 
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Product manager Randal Sagrillo asks you to be a hero as an administrator or architect in the practice of performance tuning!
Oracle Performance - Create Tuning Sets and Run SQL Tuning Advisor
 
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Oracle Performance - Create Tuning Sets and Run SQL Tuning Advisor
Views: 3527 The Silent DBA
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: 9815 Tech Query Pond
Oracle SQL Tuning - How to Read Execution Plans (Explain Plan)
 
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In this free tutorial you will learn how to generate and read (interpret) an execution plan in Oracle Databases. See more FREE Oracle Tuning tutorials at http://skillbuilders.com/free-oracle-tutorials. Understanding what the Oracle Database does with your SQL is essential to tuning - and the execution plan is the key. Oracle Certified Master DBA John Watson will provide a brief introduction (4 minutes) - which includes John's tuning methodology, then demonstrate EXPLAIN PLAN, SQL*Plus AUTOTRACE and DBMS_XPLAN.DISPLAY_CURSOR. In the tutorial, John will teach you: - How to read an execution plan - Find the 1st step in the plan - Decipher the order of the steps in the plan - That EXPLAIN PLAN can be very misleading Prerequisites: To get the most from this tutorial, you should: 1 Know how to code SQL 2 Be familiar with SQL*Plus 3 Know - in very general terms - what an execution plan is. 4 Have a basic understanding of the Library Cache (this is where Oracle Database stores parsed SQL statements) 5 Have a basic understanding of the Cost Based Optimizer (this is the part of the database that parses your SQL, creates an execution plan. Hopefully the correct - most efficient - plan).
Views: 63383 SkillBuilders
Oracle SQL Tuning Tips To Improve Your System
 
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http://www.perftuning.com/resources/tech-tips - Hire a reliable source of Oracle SQL tuning tips that you can use to benefit your business. Oracle experts can conduct troubleshooting Oracle performance, as well as provide relevant Oracle SQL tuning tips, to keep your database systems running properly as part of your operations. Learn about the troubleshooting Oracle performance and other maintenance services they can provide your company.
Views: 141 Pocahontas Beeteena
Oracle Performance Tuning - Read and interpret Explain Plan
 
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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: 37492 itversity
Oracle SQL Tuning - Oracle Execution Plans for Beginners
 
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Oracle SQL Tuning - Explain Plan Lies?
 
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Do you use EXPLAIN PLAN to tune Oracle SQL? Does it always "tell the truth", or does it "lie". (Maybe it's not the whole truth!) In this free tutorial from SkillBuilders' Oracle Certified Master John Watson, you will learn why the execution plan generated by EXPLAIN PLAN can be misleading and what to do about it. After a brief lecture, John demonstrates exactly why. You'll hear about dynamic sampling, adaptive cursor sharing (11g), adaptive execution plans (12c) and of course, bind variables. John demonstrates how bind variables cause misleading execution plans using dbms_xplan.display and dbms_xplan.display_cursor. To get the most from this tutorial, you should have some understanding of hard parse, soft parse, cardinality, histograms. See all SkillBuilders FREE Oracle Database tutorials at http://www.skillbuilders.com/free-oracle-tutorials.
Views: 3303 SkillBuilders
Oracle SQL Tuning Expert Series - Understanding Indexes
 
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Ross Leishman of DWS Ltd presents the principles of Understanding Indexes for SQL Tuning. The presentation includes an entertaining demonstration of Indexes featuring DWS Alumnus Jordan Thomas as a "Buffer Cache". DWS Ltd is a leading publicly listed Australian IT Services company, providing services to blue chip organisations since 1991. With a business philosophy based upon integrity, reliability and professional service delivery, DWS provides end to end IT solutions. www.dws.com.au
Views: 43732 DWS Ltd
Oracle SQL Tuning Training  Demo Video
 
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http://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: 9783 DbVidya
[Oracle SQL Performance Tuning: 1/4] Overview of SQL Processing
 
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The series of SQL tuning videos presents performance tuning tips for developers
Views: 7309 anilkumar ghorakavi
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: 5625 TechLake
[Oracle SQL Performance Tuning: 4/4] Basic Hints and their Usage
 
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This presentation explains how to use basic hints of Oracle. The series of SQL tuning videos presents performance tuning tips for developers
Views: 10332 anilkumar ghorakavi
[Oracle SQL Performance Tuning: 3/4] Understanding Explain Plans
 
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This presentation explains how to read explain plans. The series of SQL tuning videos presents performance tuning tips for developers
Views: 6024 anilkumar ghorakavi
Oracle 11g Performance Tuning Demo Session
 
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More Oracle DBA Courses: https://oraclegenesis.com/ Online trainings: https://oraclegenesis.com/video-courses/ Fly me a trainer: https://oraclegenesis.com/fly-me-a-trainer/ DBA Knowledgebase: https://oraclegenesis.com/dba-knowledgebase/ ORACLEGENESIS provides all you need to build and manage effective Oracle technology learning. We designed ORACLEGENESIS as a simple to use yet powerful online Oracle learning system for students. Each of our courses is taught by an expert instructor, and every course is available on demand.
Views: 81122 DBA Genesis
Webinar: Ten (Other) Top Tips for Improving PL/SQL Performance
 
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Bulk processing (FORALL and BULK COLLECT), along with the function result cache, are the "big ticket" items when it comes to performance optimization with PL/SQL. But there's still more we can do to tweak our code for even better response times for our users. This third webast in the series starts with the automatic compiler optimization, showcases the extraordinary speediness of PGA data manipulation (a.k.a., package variables), and demonstrates the effect of the simple NOCOPY hint. We finish up with an introduction to pipelined table functions and some thoughts on optimizing your algorithms.
Views: 10279 ODTUG
How to auto-optimize SQL code with Toad for Oracle Xpert Edition
 
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http://www.DellSoftware.com/Toad-for-Oracle This video shows how to auto-optimize SQL code with Toad for Oracle Xpert Edition from Dell Software.
Views: 6822 DellTechCenter
Top Five Oracle Performance Tuning Tips - Introduction
 
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Oracle performance tuning can be complex. It's often hard to know which knob to turn or button to press to get the biggest performance boost. In this presentation, Janis Griffin, database performance evangelist, SolarWinds, will detail five steps to quickly identify performance issues and resolve them. So, what will you learn? How to quickly fine tune a SQL statement. How to identify performance inhibitors to help avoid future performance issues. And finally, how to recognize and understand how new Oracle features can change and/or support different execution plans. Awesome! For information on how you can watch the full webinar, or for more great Oracle education, go to www.oraoub.com
Views: 57 OraPub, Inc.
SQL Hints, Tips, Tricks, and Tuning
 
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What is the difference between inner, outer, cross and natural join? What is a correlated subselect? What is the advantage and what the disadvantage of an index. Is NOT and OR evil? When do I need normalisation and when denormalisation? All this questions and lots of other performance tips and tricks on SQL level will be given in the talk.
Views: 14651 Andrea Ross
Oracle Performance Tuning Expert 100 Powerful Tips by Christopher Lawson
 
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This video introduces the latest book by Chris Lawson. Learn how to approach performance tuning, and critical blunders to avoid. Order on Amazon: https://www.amazon.com/Oracle-Performance-Tuning-Expert-Powerful/dp/1986029190?tag=Bassocantor-20 See also: https://Bassocantor.com
Views: 166 Bassocantor
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: 3482 SkillBuilders
Oracle SQL Developer: You're Doing it Wrong
 
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15 minutes power tips and tricks session where the product manager will how you how you SHOULD be using Oracle's database IDE and GUI.
Views: 21751 Jeff Smith
PL SQL performance tuning tips
 
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PL SQL performance tuning tips. Oracle tutorial demonstrates some oracle basic concept to optimize database performance.
Views: 8164 Subhroneel Ganguly
Oracle SQL Tuning
 
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Oracle Memory Management Architecture that would be useful for Performance Tuning.
Views: 5571 Suresh Wales
DB2 SQL Tuning Tips for Developers
 
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More DB2 SQL Tuning tips from industry expert and Themis instructor Tony Andrews. Some Q&A with the live audience at the end.
Views: 2486 Themis Education
Quickly Tuning SQL with SQL Developer
 
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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: 9758 BPeaslandDBA
Oracle Performance Tips
 
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5 Tips to Improve your Oracle database performance and tune your Oracle databases using hardware based solutions. 1. Change RAID5 to RAID1 or RAID10 2. Increase Spindle Count 3. Use Smaller Drives 4. Stand Alone Platforms 5. Check SAN Connections for Bottle Necks
Views: 22584 Reliant Technology
Oracle SQL Performace Issues Review by Dan Hotka
 
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Dan reviews common SQL performance issues along with some problem SQL...he has many tips for solving the issues.
Views: 262 Dan Hotka
Oracle SQL Developer's Tuning Features
 
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An overview of all the performance tuning and diagnostic features in Oracle SQL Developer including: Explain Plan, Autotrace, SQL Tuning Advsior, Real Time SQL Monitoring, ASH, Monitoring Sessions, and our new Instance Viewer.
How to tune SQL code
 
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Efficient techniques to tune SQL code.
Views: 28341 amit wadbude
Oracle SQL Performance Tuning
 
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A beginner's guide that shows you how to start on SQL Performance tuning with reference to Oracle. Talks about plans, indexes and hints. Visit the associated web page at http://blog.hardeep.name/computer/20090217/sql-tuning/ For those unable to understand the accent, or looking for a more advanced tutorial visit http://blog.hardeep.name/general/20090711/app-tuning/
Views: 55509 dwealth
Ronald Vargas Quesada - Oracle Database Performance Tuning con SQL
 
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En esta presentación Ronald de Costa Rica nos muestra cómo mejorar la performance de la base de datos a partir de un correcta escritura de las sentencias SQL.
Views: 6215 OracleAmericaLatina
Top PL/SQL Tips In Just One Hour
 
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Here's a video I recorded of a webcast to a team of developers who had one hour to spare to learn about some PL/SQL best practices. I offer tips on using compile time warnings, avoiding hard-coding/repetition, using nested subprograms and in the performance arena, lightning fast coverage of FORALL, function result cache, NOCOPY and PRAGMA UDF. Fun stuff and here's the guide: 03:00 Compile-time warnings 16:25 Don’t repeat anything 21:15 Tips on writing SQL in PL/SQL 24:50 Avoid hard-coding of formulas 28:35 Keep executable sections tiny 35:15 Avoid row-by-row processing 42:10 Function result cache 54:28 NOCOPY parameter hint 56:02 Optimizing user-defined function execution in SQL Files referenced in presentation may be found at http://www.oracle.com/webfolder/technetwork/tutorials/plsql/sfdemo.zip. But for the latest set of PL/SQL scripts, go to LiveSQL.oracle.com and search by keywords (forall, nocopy, etc.). More on PL/SQL at my blog https://stevenfeuersteinonplsql.blogspot.com PL/SQL quizzes, workouts and classes at https://devgym.oracle.com ======================================== Practically Perfect PL/SQL with Steven Feuerstein Copyright © 2018 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.
SQL Tuning: Troubleshooting SQL Monitor
 
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Do you know what to do if you’re tuning a large SQL statement and it doesn’t show up in SQL Monitor? Pete Dinin does. He’s a senior DBA at Fortune 500 company and president of the Northeast Ohio Oracle Users Group, and he shares his tip in this short video.
Stored Procedure Optimization Techniques
 
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Performance Tunning : Procedure : 1.Set Nocount On 2.Set Isolation level Read Uncommited / Nolock 3.Missing Indexes : 4.Scalar function 5.COvering index -- include 6.Partition . 7.Proper Index -- Column Store 9.Try to minimize Physical read 10.Fragmentation issue (Index rebuilding + Reorganizing ) 11.understand Execution planning (opertor )
Views: 10127 SqlIsEasy
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: 7687 CarAni Studio
Oracle Midlands #6: Change the Way You Think About SQL Tuning with SQL Plan Management - Bjoern Rost
 
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This was the first talk of Oracle Midlands #6 (25th November 2014). Bjoern discusses the usefulness of using SQL Plan Management. The slides are available at https://www.dropbox.com/sh/t1jq0xnfxyk8x6l/AADklQXRVrC_4_dpbCJXbwJMa?dl=0 This event was sponsored by Red Gate (http://www.red-gate.com/). See more events at http://OracleMidlands.com/ Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for fair use for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use. "Fair Dealing" under UK Copyright, Designs and Patents Act 1988.
Views: 652 Oracle Midlands

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