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SQL tutorial 51: DECODE function in Oracle Database By Manish Sharma (RebellionRider)
 
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SQL Tutorial 51 Decode function in Oracle Database. ● What Is DECODE() ● DECODE ( ) vs CASE ● Syntax of DECODE() ● Query 1. String Matching using DECODE() ● Query 2. DECODE() comparing values form the COLUMN of the table Celebrating 1000 subscribers. Thanks a lot guys for all your love and support. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: ------------------------------------------------------------------------- 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 first 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 [email protected] 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: 31163 Manish Sharma
Oracle: Tune Your SQL Without Hints or Indexes! - Long Introduction
 
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"But I can’t change the queries that run in my database,” you say. Not a problem! This webinar we explore the underutilized art of rewriting a SQL query in order to make it run faster. I'll show you how to make your SQL query performance skyrocket simply by changing the SQL text. But even if you truly can't change the SQL, I'll also demonstrate how you can hurdle this issue too. This webinar will be presented by our most active OraPub SLACK member, Kaley Crum! To watch the full webinar go to www.oraoub.com/webinars
Views: 8 OraPub, Inc.
Tune Your Oracle SQL Without Hints or Indexes! - Preview Introduction
 
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“But I can’t change the queries that run in my database,” you say. Not a problem! This webinar we explore the underutilized art of rewriting a SQL query in order to make it run faster. I'll show you how to make your SQL query performance skyrocket simply by changing the SQL text. But even if you truly can't change the SQL, I'll also demonstrate how you can hurdle this issue too. This webinar will be presented by our most active OraPub SLACK member, Kaley Crum! Go Kaley!! This webinar will be on Wed Sept 12th 2018 at 7am PT. For details on how you can see the full webinar or webinar recording post date, go to www.orapub.com
Views: 25 OraPub, Inc.
98/125 Oracle PLSQL: Creating Triggers / Compound triggers 5
 
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Creating Triggers in oracle Compound triggers in oracle Learn Oracle PLSQL EXAM 1Z0-144
Views: 439 khaled alkhudari
Oracle Database SQL Tuning with Constraints - Lesson 1 of 5
 
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Learn how to tune SQL - especially in Data Warehouse environments - with Constraints. Constraints provide critical information to the Cost Based Optimizer in the Oracle Database. Don't drop your constraints for query performance! In these 5 lessons, Oracle Certified Master DBA John Watson will demonstrate how constraints - unique, foreign key, not null - improve the execution plan and thus performance of SQL in an Oracle database. View all 5 lessons, free at http://www.skillbuilders.com/oracle-database-sql-tuning-with-constraints.
Views: 881 SkillBuilders
Join Elimination in Oracle
 
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What better way to improve performance than to actually remove some of your code? That's exactly what Oracle can do in some circumstances using join elimination. For more information see: https://oracle-base.com/articles/misc/join-elimination Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Pablo Ciccarello : Website: http://www.iristools.com/en/home/ Twitter: https://twitter.com/pablociccarello Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 844 ORACLE-BASE.com
How Oracle SQL Query work
 
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This video will give to understanding of SQL Parsing, Syntatic check , semantic check, spool file check, Sql Optimization, row source generation and sql execution.
Views: 16433 amit wadbude
Oracle EBS AR Electronic Payment Processing
 
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A brief explanation of Electronic Payment processing in EBS AR. This includes Automatic Receipts/Remittances and Clearing from AR.
Views: 3412 anilkumar ghorakavi
SQL: Creation of table
 
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In this tutorial, you'll learn how to create table and set columns to it...
Views: 2798 radhikaravikumar
eXtrem Parallel Processing for Oracle
 
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eXtrem Parallel Processing for Oracle
Views: 174 Petr Jezek
Simple Oracle Performance Tuning Tips
 
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http://www.perftuning.com/tech-tips/linux-hugepages-for-oracle - Getting Oracle performance tuning tips today is easy with the use of the Internet. One of the most common Oracle tuning tips online is to know and understand the different performance tuning tools. Many people wish to know more about Oracle tuning in order to optimize their hardware performance.
Views: 1692 bonniecowey
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.
Views: 1485 Oracle World
Oracle SQL Performance Tuning for Developers: Introduction
 
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This video is an introduction to Oracle SQL Performance Tuning for Developers: http://www.informit.com/store/oracle-sql-performance-tuning-for-developers-livelessons-9780134117027 6+ Hours of Video Instruction The focus of Oracle SQL Performance Tuning for Developers LiveLessons is to illustrate coding techniques that ensure a consistent response time between instances and releases of the Oracle database. This course works closely with performance tuning of actual SQL statements. Description In this video training, Dan Hotka starts out with a complete overview of the Oracle architecture so students can get an understanding how their SQL and applications can take advantage of the computing environment. This course then goes in-depth on understanding and controlling the Explain Plan, which is how and in what order Oracle retrieves data. The discussion includes considerable detail, with SQL examples, on how the optimizers--both rule-based and cost-based, but mostly cost-based--make their decisions. Students will work with a variety of SQL statements, reviewing Explain Plans and making changes to make these SQL statements perform better. Lectures include index design, using hints and coding style to control the Explain Plans, and how to use useful tools such as index monitoring, SQL Trace, and the PL/SQL profiler. This LiveLessons course takes a close look at indexes: how Oracle selects them, why they are sometimes not used, and how to tell if indexes are being used. This course includes Oracle10g, Oracle11g, and Oracle12c SQL tuning topics. Skill Level Intermediate Learn How To Read and understand Explain Plan content Review an Explain Plan and tell quickly if this is a good plan Understand a good index column candidate from a not-so-good candidate Quickly tell the likelihood if your SQL will use an existing index Use coding and a variety of Hints (directives) that can produce better performing SQL Execute and interpret SQL trace output Who Should Take This Course Oracle programmers Oracle database administrators who need additional training on SQL tuning Course Requirements Working knowledge of the SQL query language http://www.informit.com/store/oracle-sql-performance-tuning-for-developers-livelessons-9780134117027
Views: 2944 LiveLessons
Why Won't Oracle Use My Index - 12c Attribute Clustering - Lesson 1
 
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Sometimes a poor clustering factor is the cause when Oracle Database cost based optimizer does not choose to use an index. With Oracle 12c (12.1.0.2 EE) offers a new feature that can really help - "Atrribute Clustering". This is implemented with a new keyword on CREATE TABLE - "CLUSTERING BY LINEAR ORDER". In this Free Tutorial from SkillBuilders and Oracle Certified Master DBA John Watson, you'll get a brief refresher on clustering factor and a demonstration of CREATE TABLE - "CLUSTERING BY LINEAR ORDER" - so the CBO will use your index! In this first lesson, John will provide a brief review of clustering factor. See all 6 lessons - FREE - at http://www.skillbuilders.com/12c-attribute-clustering
Views: 345 SkillBuilders
12c Recursive Functions
 
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Views: 91 N Sacevich
Oracle Performance Tips - Indexes
 
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Learn about index and types of indexes.
Views: 1831 Saurabh Kumar
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: 41448 Ramkumar Swaminathan
SQL: Group By & Having Clause
 
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In this tutorial, you'll learn how to use group by and having clause...
Views: 28360 radhikaravikumar
Removing Query Hints with Plan Guides (Dear SQL DBA Episode 43)
 
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If you need to add, remove, or replace hints from ad-hoc queries and you can't change the code, plan guides can help. See a demo of removing hints from parameterized TSQL run from an application, and get tips on how to make your plan guides work in SQL Server. Get code samples from this episode and links for more info here: https://sqlworkbooks.com/2017/05/removing-query-hints-with-plan-guides-dear-sql-dba-episode-43/
Views: 528 SQL Workbooks
Indexes in Oracle :Index Scan Methods :Part 2
 
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The Video Explains when should you create indexes. The difference between Simple and composite Index, Relevance of order in composite indexes and Index Scan Methods in detail. 1.Index Unique scan 2.Index Range Scan 3. Index Skip Scan 4. Fast full Index Scan 5. Full Index Scan If you have any questions just drop in a comment
Views: 3848 Tech Coach
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: 60792 SkillBuilders
PL/SQL tutorial 12: PL/SQL WHILE Loop in Oracle Database
 
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Iterative statements/loop series learn the concepts of While Loop in PL/SQL or In Oracle Database with Examples. also learn how to handle boolean expression in while loop ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/while-loop-in-pl-sql Previous Tutorial ► Simple Loop: https://youtu.be/AFx6QYcY1CU ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►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: 49411 Manish Sharma
introduction video to oracle sql and db
 
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oracle: this video is about the introduction to topics which am going to discuss in my channel. About introduction to dbms, using sql queries, ddl. drl, dcl, tcl in oracle sql 11g and topics which am covering in oracle database 12c. topics are oracle database architecture, intialization parameter, control files, redologs, backup and recover, dataguard. this video include: oracle tutorial for beginners,oracle daphne,oracle database,oracle sql developer tutorial for beginners,oracle dba training videos,oracle 12c,oracle cloud,oracle of seasons,oracle apex,oracle of ages,oracle adf,oracle asm,oracle apps,oracle architecture,oracle apex tutorial for beginners,oracle application express,oracle at delphi,oracle arena loud,oracle analytical functions,oracle business intelligence,oracle bi,oracle bangla tutorial,oracle big data,oracle bpm,oracle business intelligence tutorial,oracle bones ancient china,oracle bangla,oracle bi publisher,oracle big data discovery,oracle cc&b,oracle cards,oracle card reading,oracle crm,oracle cloud erp,oracle certification,oracle cpq,oracle create table,oracle corporation,oracle coherence,oracle 12c installation,c programdata oracle java javapath java.exe,oracle c,oracle database tutorial for beginners,oracle dota 2,oracle data integrator,oracle dba interview questions and answers for experienced,oracle database administration tutorial,oracle database architecture,oracle data guard,oracle d,installation d'oracle 11g,cours d'oracle,oracle erp,oracle ebs,oracle enterprise manager,oracle exadata,oracle ebs tutorial for beginners,oracle enterprise manager 11g tutorial,oracle enterprise manager 12c,oracle erp cloud,oracle eloqua,oracle explain plan,oracle e-business suite,oracle e business tax,oracle financial e-business r12,oracle e commerce,oracle e-business,installing oracle e-business suite,e talent oracle,oracle fusion,oracle forms,oracle financials,oracle forms and reports tutorial,oracle fusion financials,oracle for beginners,oracle fusion hcm,oracle finance tutorial for beginners,oracle financials training,oracle forms 12c,oracle golden gate,oracle golden gate tutorials,oracle general ledger,oracle grc,oracle gaming,oracle general ledger tutorial,oracle golden gate architecture,oracle golden gate installation,oracle genesis,oracle gameplay,oracle 11g,oracle 10g,oracle 11g architecture,oracle hyperion,oracle headlights,oracle hcm cloud,oracle hyperion tutorial for beginners,oracle hrms,oracle halo lights,oracle halo install,oracle hrms tutorial for beginners,oracle halo colorshift,oracle hints,oracle installation,oracle identity manager tutorial,oracle index,oracle integration cloud service,oracle installation on windows 10,oracle identity manager,oracle inventory management,oracle installation on linux,oracle interview,oracle identity and access management hands on demo,oracle java,oracle joins,oracle jd edwards,oracle java certification tutorial,oracle joins tutorial,oracle java tutorial,oracle jd edwards enterpriseone tutorial,oracle java cloud service,oracle jdbc connection in eclipse,oracle java mission control tutorial,oracle krul,oracle knowledge management,oracle kraken,oracle kari,oracle key vault,oracle killer queen,oracle khmer,oracle knowledge,oracle kraken evolve,oracle knight ark,k online oracle apps,k-onlines.com oracle applications,k-online oracle,oracle linux,oracle learning library,oracle led headlights,oracle linux 7, oracle led illuminated wheel rings,oracle linux 7 installation on virtualbox,oracle linux tutorial for beginners, oracle learning,oracle lighting® - led headlight conversion kit,oracle label security,l oracle trailer,l'oracle film complet, l'oracle (the physician),l'oracle film complet en francais,l'oracle trailer vf,l'oracle vf,l'oracle nctk,l'oracle vision 1,l'oracle 2013,l'oracle film complet vf,oracle marketing cloud,oracle management cloud,oracle mdm,oracle music,oracle micros,oracle maf,oracle materialized view,oracle middleware,oracle mobile application framework,oracle mft,project m oracle,oracle naomi kyle,oracle nigerian movie,oracle neo,oracle net configuration assistant,oracle net manager,oracle nigerian movie full,oracle net configuration assistant 11g,oracle nosql database,oracle nosql tutorial,oracle normalization,oracle of seasons ost,oracle of delphi,oracle of seasons speedrun,oracle of ages speedrun,oracle order management,oracle of seasons walkthrough,oracle of ages music,oracle of seasons review,sunn o))) oracle,como instalar o oracle,como baixar o oracle,como usar o oracle,o que é oracle,oracle performance tuning,oracle pl/sql,oracle pl sql tutorial,oracle performance tuning 11g,oracle partitioning,oracle pl/sql tutorial for beginners,oracle peoplesoft,oracle primavera,oracle policy automation,oracle pl sql tutorial for beginners,oracle query,oracle query performance tuning,oracle quality,oracle query optimization,oracle quality module, oracle queue
Views: 505 manivas medishetty
Quick Tip - Better Truncate in 12c
 
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blog: https://connor-mcdonald.com Many of the limitations of TRUNCATE command are lifted in Oracle Database 12c ========================================­­­­============== Copyright © 2017 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: 583 Connor McDonald
Hash Join
 
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#Oracle #HashJoin How a Hash Join is executed
Views: 1220 Hemant K Chitale
ORACLE Analytic Functions for Data Warehousing 2/ Arabic
 
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ORACLE Analytic Functions for Data Warehousing 2/ Arabic FIRST_VALUE last_VALUE row_number() --FIRST_VALUE and LAST_VALUE Analytic Functions select EMPLOYEE_ID, FIRST_NAME, HIRE_DATE from employees order by hire_date; select EMPLOYEE_ID, FIRST_NAME, HIRE_DATE , min(HIRE_DATE) over ( ) first_HIRE_DATE from employees select EMPLOYEE_ID, FIRST_NAME, HIRE_DATE , FIRST_VALUE(HIRE_DATE) over ( ) first_HIRE_DATE from employees order by hire_date; select EMPLOYEE_ID, FIRST_NAME, HIRE_DATE , max(HIRE_DATE ) over ( ) last_HIRE_DATE from employees select EMPLOYEE_ID, FIRST_NAME, HIRE_DATE , last_VALUE(HIRE_DATE ) over ( ) last_HIRE_DATE from employees order by HIRE_DATE drop table student_exam_result; CREATE TABLE student_exam_result (student_id number, exame_name varchar2(100), exame_try number, exame_results number ); insert into student_exam_result values(1,'calcluas',1,50); insert into student_exam_result values(1,'calcluas',2,66); insert into student_exam_result values(1,'calcluas',3,20); insert into student_exam_result values(2,'calcluas',1,66); insert into student_exam_result values(2,'calcluas',2,null); insert into student_exam_result values(2,'calcluas',3,7); insert into student_exam_result values(3,'calcluas',1,50); insert into student_exam_result values(3,'calcluas',2,98); insert into student_exam_result values(3,'calcluas',3,null); select * from student_exam_result select student_id, exame_name,exame_try,exame_results, last_value(exame_results) IGNORE NULLS over (PARTITION BY student_id, exame_name ) last_grade from student_exam_result order by student_id, exame_name, exame_try select student_id, exame_name,exame_try,exame_results, last_value(exame_results) IGNORE NULLS over (PARTITION BY student_id, exame_name ) last_grade, max(exame_results) over (PARTITION BY student_id, exame_name ) max_grade, avg(exame_results) over (PARTITION BY student_id, exame_name ) avg_grade from student_exam_result order by student_id, exame_name, exame_try ------------------------ select employee_id,first_name ,row_number() over(order by employee_id ) from employees select employee_id,first_name ,rownum from employees select employee_id,first_name ,department_id, row_number() over(partition by department_id order by employee_id ) from employees
Views: 502 khaled alkhudari
40. SQL Buffer Commands in Oracle
 
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In this video you will learn about SQL Buffer Commands in Oracle. Unlike other programming language Oracle also uses functions to perform common operations. 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: 13722 ITORIAN
SQL Tuning How to Tune Joins - Lesson 1
 
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How do you tune SQL Joins? Start with the most important ingredient - the join order! In this free tutorial by Oracle Certified Master DBA John Watson of SkillBuilders.com you will learn what is the best join order and how to get the optimal join order. Watch all Lessons, FREE, at http://skillbuilders.com/tuning-joins-optimal-join-order.
Views: 3216 SkillBuilders
Oracle SQL Tuning - Equal SQL is not Always Equal
 
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Learn how and why equivalent SQL statements can have a dramatic effect on performance. Certified Master J Watson demonstrates...See all our free Oracle Database tutorials at http://skillbuilders.com/free-oracle-tutorials. The Oracle Database cost-based optimizer (CBO) should recognize equivalent SQL statements and re-write them into the most efficient form. Well, nothing is perfect - not even Oracle Database. Sometimes the way you write your SQL can have a dramatic effect on performance. Presented by John Watson, Oracle Certified Master DBA. Some experience with SQL tuning is expected.
Views: 1822 SkillBuilders
Session 2 : Oracle E-Business Suite (Oracle Apps) - Technical
 
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How to create menu , responsibility How to create RDF Report, Concurrent Program.
Views: 9792 Lead Technologies
Oracle SQL Tutorial For Beginners | Oracle SQL Online Training - Session 2
 
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Course : Oracle SQL Online Training Mode of Training : Online Duration : 40 Hours Timings : Flexible Oracle SQL Online Training Demo Registration Link : http://svsoftsolutions.com/demo.aspx Introduction to SQL What is SQL? What Can SQL do? RDBMS SQL Syntax Database Tables SQL Statements Overview of Most Important SQL Commands SELECT UPDATE DELETE INSERT CREATE TABLE ALTER TABLE DROP TABLE CREATE INDEX DROP INDEX SQL SELECT Statement SELECT syntax Demo Database SELECT Column Example SELECT * Example SQL Distinct SELECT DISTINCT Statement SELECT DISTINCT Syntax SELECT DISTINCT Example SQL WHERE Clause WHERE Clause WHERE Clause Example Operators in the WHERE Clause SQL AND & OR Operators AND Operator Example OR Operator Example Combining AND & OR SQL ORDER BY ORDER BY Syntax ORDER BY Example ORDER BY DESC Example ORDER BY Several Column Examples SQL Insert Into INSERT INTO Syntax INSERT INTO Examples Insert Data into Specified Columns SQL UPDATE UPDATE Syntax UPDATE Example Watch out UPDATE statement. SQL DELETE DELETE Syntax DELETE Examples Delete All the Data SQL Aliases SQL Alias Syntax for Columns Alias Example for Table Columns Alias Example for Tables. SQL Joins Different SQL JOINs INNER JOIN LEFT OUTER JOIN RIGHT OUTER JOIN FULL OUTER JOIN SQL UNION UNION Syntax UNION Example UNION ALL Syntax UNION ALL Example SQL Insert Into Select INSERT INTO SELECT Syntax INSERT INTO SELECT Examples SQL Create Table CREATE TABLE Syntax CREATE TABLE Example SQL Constraints CREATE TABLE + CONSTRAINT Syntax NOT NULL Constraint UNIQUE Constraint UNIQUE Constraint on CREATE TABLE UNIQUE Constraint on ALTER TABLE To DROP a UNIQUE Constraint PRIMARY KEY Constraint PRIMARY KEY Constraint on CREATE TABLE PRIMARY KEY Constraint on ALTER TABLE To DROP a PRIMARY KEY Constraint FOREIGN KEY Constraint FOREIGN KEY Constraint on CREATE TABLE FOREIGN KEY Constraint on ALTER TABLE To DROP a FOREIGN KEY Constraint CHECK Constraint CHECK Constraint on CREATE TABLE CHECK Constraint on ALTER TABLE To DROP a CHECK Constraint DEFAULT Constraint on CREATE TABLE DEFAULT Constraint on ALTER TABLE To DROP a DEFAULT Constraint SQL Create Index CREATE INDEX Syntax CREATE UNIQUE INDEX Syntax CREATE INDEX Example SQL DROP Command The DROP INDEX Statement The DROP TABLE Statement The DROP DATABASE Statement The TRUNCATE TABLE Statement SQL ALTER Command The ALTER TABLE Statement ALTER TABLE Example Change Data Type Example DROP COLUMN Example SQL VIEWS CREATE VIEW Statement CREATE VIEW Syntax CREATE VIEW Examples CREATE OR REPLACE VIEW Syntax Dropping a View SQL NULL Values Working with NULL Values IS NULL IS NOT NULL SQL NULL Functions NVL COALESCE For more details visit our website : www.svsoftsolutions.com Or reach us @ USA : +1-845-915-8712 (Toll Free), India : +91-9642373173
Views: 37 SV Soft Solutions
Reading Oracle SQL Execution Plans - Practice Makes Perfect
 
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To tune a SQL statement, you need to understand the execution plan. Can you identify the 1st step in an execution plan? The 2nd? The 3rd? In this short tutorial, Oracle Certified Master DBA John Watson of SkillBuilders uses a MERGE JOIN to help you understand how to find the order of execution, essential for SQL tuning.
Views: 1062 SkillBuilders
Oracle SQL Tuning Training  Demo Video
 
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http://www.dbvidya.com/course/sql-tuning-advanced/ [email protected] +91 991 2323 000 DbVidya provides online training in various topics Oracle performance tuning for DBA, oracle SQL Tuning training for developers, ETL ,database professionals. Also provides training in Dimensional data modeling and ER Data Modeling and ERwin tool.
Views: 8784 DbVidya
How to Install Oracle Database
 
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Views: 150 T3SO Tutorials
Oracle SQL Join Tutorials
 
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Oracle SQL Join Tutorials. Different types of joins and examples. For Full Course Experience Please Go To http://mentorsnet.org/course_preview?course_id=4 Full Course Experience Includes 1. Access to course videos and exercises 2. View & manage your progress/pace 3. In-class projects and code reviews 4. Personal guidance from your Mentors
Views: 100996 Oresoft LWC
SQL Server Tip: Quickly Alias Columns
 
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If you've ever aliased a table late and needed to alias all the columns that belong to it, this tip is a must watch.
Views: 406 Ike Ellis
Oracle SQL Tuning - How to Read Execution Plan Part 1
 
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Learn how to tune SQL. If you're going to tune Oracle SQL statements, you will need to learn how to read an execution plan! See all Free lessons in this tutorial at http://www.skillbuilders.com/sql-tuning-for-beginners-free-tutorial .
Views: 1732 SkillBuilders
Best Way to Write Basic SQL Queries
 
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SQL Server Query writing strategies is something I have yet to find in any book. When enthusiastic SQL students do this, they experience a revelation. The number of errors drops significantly and the speed at writing complex queries increases immediately. Knowing how to narrow down what we are looking for amongst a vast list of choices helps immensely. Grabbing the right tables first and then the fields second is akin to grabbing the right menu before ordering an item from it. In fact, one student named Tim took this back to his team of SQL developers and they immediately implemented this process. We are all used to following steps. Most of the time, actions are sequential from top to bottom or left to right. Other times we complete things in phases. The two phases we are going to use in this exercise apply to joining tables. This is easy to implement as we only need remember to organize first and clean up second. When visiting a new restaurant, we will ask to see the menu, because we want to see all they have to offer. The odds are that we might be interested in half of the items, but only need a few dishes for our group at the table. Looking at the menu is like starting a query with a ‘SELECT *’ statement. Once we have looked at all the fields, we narrow our choice(s) to only the items we want at the time. Sometimes restaurants have multiple menus. My favorite restaurant has a kids’ menu, an adult menu, a gluten-free menu and a drink menu. These menus were each gathered at our table. Ultimately, in my head, a selection was narrowed to what was needed. Phase I: Organize. When building a new query from many tables, we often find ourselves wondering, “Where do I start?” First, lay the steps out by identifying which tables contain the essential data. Second, get all the table joins working with a basic ‘SELECT *’ statement. Third, add any basic filtering criteria. Phase II: Itemize. Once all joins and criteria, such as SELECT, FROM and WHERE are working, we are ready for Phase II. This entails going back and changing our ‘SELECT *’ to an itemized SELECT field list as the final step. Let’s explore how this two-phase process of Organize and then Itemize can be a big time-saver. We are going to use one of the challenges from the last lab. In Lab 3.2 (Outer Joins), Skill Check 2, we needed to get four fields from two different tables. If we were to list all four desired fields and test one table at time, we will get an error as seen on the right side of the figure below. In the figure below we write a SELECT statement and part of the FROM clause. When completed, the FROM clause will have two tables, but for now we just want to get the Location table working. By using the ‘SELECT *’ strategy, we remove any possible errors from line 1. From there, we can focus on the more complicated logic used for joining tables together. We can add tables one at a time until everything is working. This is the Organize phase. NOTE: SELECT * never results in an Error message stating “invalid column name”, however; a SELECT list with itemized field(s) can have this error. After our query is organized and working, we can go back and itemize the SELECT field list to display only the fields that are necessary. This is done during Phase II (Itemize). The steps for this system are broken down as follows: Since SELECT is always the first statement in a query, it’s natural to want to write the field names before writing the FROM clause. However; we can save time and trouble by using the ‘*’ until the entire query is working properly. When this is complete, it is very easy to itemize the field list, with the confidence of knowing it will not cause any problems. Exercise: Simple membership for a club: Table1 (id_Member,name_Member, email_member, title, age, company) Table2 (id_Club,club_name, club_Location, address) Table3 (id_club, id_member,membership_date) Q1: Show all member names, email, age, and company from Table1 Q2: Show all club name, location, and address data Q3: Show member name, club name, club location (hint: Use joins and all 3 tables) You can find all other classes related to this video here: http://www.joes2pros.com/joes2pros/Course/Introduction_To_Microsoft_SQL_Server Enroll Today & Get the First Month for only $1! Use code: YOUTUBE1
Views: 166531 Joes2Pros SQL Trainings
Oracle Pseudo columns
 
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pseudo columns in oracle
Views: 26 Siva Academy
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: 6029 DellTechCenter
Displaying Table in tool tip style popups  in Oracle ADF
 
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In this video we will see how to display table data in tool-tip style popups. Download the sample code http://baigsorcl.blogspot.com/2010/11/displaying-table-data-in-tool-tip-style.html
Views: 5183 DataNext Solutions
Mike Webster, Oracle - Oracle OpenWorld - #oow16 - #theCUBE
 
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How digital transformation affects physical retail stores | #OOW by Brittany Greaner | Sep 22, 2016 Retail is all about understanding what a customer wants and how to get it to them in the most efficient fashion. Online ordering has made this easier than ever – but it’s also given another set of data to the companies that is extremely helpful. By tracking browsing behavior and what customers are ordering in a specific zip code, stores can use the digital data to adjust their inventory in the physical stores in that area. To give insight on this and other areas involving retail, Mike Webster, senior VP and GM at Oracle, spoke to John Furrier (@furrier) and Peter Burris (@plburris), hosts of theCUBE, from the SiliconANGLE Media team, during Oracle OpenWorld, taking place at the Moscone Center in San Francisco, CA. Scaling to fit markets As seen in the digital-to-physical example, understanding how customers engage in one market hints at how they’ll perform in a different one. “What the cloud allows us to do is take these powerful tools we have used to serve large customers and scale them down to serve a larger pool of customers we previously couldn’t. The weight and cost of our offering used to be too much to be feasible,” said Webster. Now with its services open to the mid-range market, Oracle itself is able to grow, feeding into a loop of expansion and innovation. Simplify and scale Innovation is precisely what Oracle plans to keep pushing forward, and Webster said he’s excited for what the next year will bring, including a conference in Florida in March 2017 called Oracle Industry Connect. And just in the next few months there will be a new version the Oracle Retail cloud-enabled platform (Version 16). This version will “drive simplicity in the business model and anticipate changes that are coming. … It’s a great time to be in service to these communities,” said Webster, explaining that oracle’s business model is different than competitors, from the level of investment to the breadth of its portfolio. RELATED: Innovations in cross-cloud management and hyper-converged infrastructure | #WomenInTech “It all helps our customers simplify and scale,” he concluded.
How to Tune SQL when You Can't Edit the Source Code, Part 2 of 2
 
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How do you tune SQL if you don't have access to the source code? Sometimes. Oracle indexes, statistics, stored outlines, profiles or 12c directives will solve a tuning problem. However, as a last resort, you may want to add a hint. In this case (and you cannot edit the code) DBMS_ADVANCED_REWRITE could be the solution. In Part 2 of this tutorial, Oracle Certified Master DBA John Watson of SkillBuilders completes the demonstration - using DBMS_ADVANCED_REWRITE to change the SQL Oracle executes - without changing the source code!
Views: 734 SkillBuilders
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: 10070 SkillBuilders
Destiny 2 | Whisper HEROIC Secret Chest & Oracles Guide - Whisper of the Worm Catalyst
 
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HOW TO GET THE WHISPER OF THE WORM EXOTIC SNIPER: https://www.youtube.com/watch?v=JBAuSTr2C78 Earlier today we covered the hidden quest to get the exotic Whisper of the Worm Sniper Rifle, but there are many other secrets hidden away within that Lost Sector, including a Vault of Glass Oracle subquest that will grant you the Whisper of the Worm exotic catalysts, an enigmatic schematic for an exotic ship, and items to be used with the Sleeper Simulant exotic catalyst! Massive props to everyone involved in figuring this massive quest out! https://www.reddit.com/r/DestinyTheGame/comments/90n0u4/the_whisper_heroic_chest_oracle_quick_text_image/ Oracle Sequence: 1st sequence: 1, 3, 5 2nd sequence: 4, 6, 7, 3, 1 3rd sequence: 7, 3, 1, 6, 4, 2, 5
Views: 13721 TheBlackLink