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Oracle Indexes - Beginner
 
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Oracle Indexes - Beginner
Views: 63864 Chris Ostrowski
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: 43372 DWS Ltd
Oracle Performance Tips - Indexes
 
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Learn about index and types of indexes.
Views: 1973 Saurabh Kumar
Indexing in Oracle :B-Tree,Bitmap Indexing
 
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This Video is the 1st tutorial in the video series Indexing in Oracle , The video series explains in detail, What are indexes?It's types, what index should be used in which scenario and other important thing in basic terminology. Note :You may want to watch the video with a higher playback speed(1.25 if it suits you more)
Views: 10205 Tech Coach
Oracle Indexes - Live Demonstration
 
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When is a Full Table Scan faster than an Index Scan? Watch Ross and Jordan act out an Oracle database reading and caching data via both methods, explaining the costs and benefits in simple and easy to understand terms. The demonstration is part of a talk by Ross Leishman of DWS Ltd on the principles of Understanding Indexes for SQL Tuning. The full lecture is at this link: https://www.youtube.com/watch?v=Z4hKomnGHFA 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: 2652 DWS Ltd
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: 5161 Tech Coach
Oracle Database Indexes: Myths, Tips and Tricks
 
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In this tutorial, OCM John Watson will - via demonstrations - debunk these myths: Myth #1: Oracle Database does not index NULL Myth #2: A search that includes wildcards can't use an index if the wildcard precedes the string. Myth #3: Oracle will not use a function-based index unless the FBI is coded in the predicate. Myth #4: Indexes always help. The more indexes the better. See http://skillbuilders.com/free-oracle-tutorials for gigabytes of free Oracle video tutorials.
Views: 16073 SkillBuilders
SQL indexing in 9 minutes and a half
 
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CAPTIONS AVAILABLE - Full transcript (with some screenshots) available for a small fee at http://stores.lulu.com/konagora/. Proper indexing is one of the keys to database performance - yet a disturbingly high number of people have it more or less wrong. This presentation is based on material from a seminar.
Views: 60725 roughsealtd
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: 62397 SkillBuilders
A Story of Indexes and Full Table Scans: Finding All the Red Sweets Part 1
 
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"Why isn't Oracle using my index?!" is a common question people have when tuning SQL queries. In this episode Chris compares two methods for finding all the red candies from party bags he's prepared. He shows how these are like a full table scan and an index range scan. He goes on to compare the performance of these two approaches. He shows when a full table scan becomes more efficient than an index range scan and vice versa. ============================ The Magic of SQL with Chris Saxon Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 7443 The Magic of SQL
B*Tree Index Fundamentals(Indexes in Oracle-1)
 
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Part -1 : Introduction to Indexes, B*Tree Indexes, Index scan methods. Part -2 : B*Tree Index Types(different types of B*Tree indexes) Part -3: Using B*Tree Indexes(When use B*Tree indexes, factors related to B*Tree Access) Part -4 : Index Organized Table Part -5 : Bitmap Indexes Part -6: Partitioned Indexes Part- 7: Other type of Indexes based on characteristics & use. Part -8: Managing Indexes
Views: 48653 Anindya Das
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: 50904 Anindya Das
Intuition Behind Oracle Index
 
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How index helps in performance For Full Course Experience Please Go To http://mentorsnet.org/course_preview?course_id=6 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: 13727 Oresoft LWC
B*Tree Index Types (Indexes in Oracle-2)
 
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This video will cover different types of B-tree indexes: Descending index,Reverse key index,Key Compressed Index B-tree cluster index,Index Organized Table(IOT):
Views: 15278 Anindya Das
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.
Optimizing SQL Queries in Oracle - What is a Bitmap Index?
 
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This video clip, on the BITMAP Index, is taken from my www.pluralsight.com course "Optimizing SQL Queries in Oracle". Click here to learn more about this course: http://www.pluralsight.com/courses/optimizing-sql-queries-oracle?utm_source=youtube&utm_medium=video&utm_campaign=authordemo.
Views: 3010 sheepsqueezersYT
Stop Rebuilding Global Indexes! Oracle 12c Global Index Maintenance
 
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Stop rebuilding Global Indexes! Stop worrying about invalidating Global Indexes! Oracle 11g gave us "UPDATE GLOBAL INDEXES". 12c provides a huge improvement: orphaned_entries! In this tutorial, Oracle Certified Master John Watson demonstrates how 11g and 12c handle Global Index maintenance with orphaned entries and overnight maintenance job PMO_DEFERRED_GIDX_MAINT_JOB.
Views: 2266 SkillBuilders
Oracle Performance - Indexes
 
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Oracle Performance - Indexes
Views: 256 The Silent DBA
Oracle views, functions, indexes
 
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Create views in Oracle training/discussion with Andy.
Views: 23 Adam Lodge
Function Based Indexes in Oracle
 
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How to use Function Based Indexes For Full Course Experience Please Go To http://mentorsnet.org/course_preview?course_id=6 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: 9505 Oresoft LWC
Oracle EPM Index II - Frank Buytendijk's analysis
 
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Interview with Oracle VP and Fellow Frank Buytendijk on cycle II of the Oracle EPM Index - research to monitor the progress of Enterprise Performance Management (EPM) across Europe and North America. Frank covers the 38% increase in the Index, from 5.13 to 7.04, since the last research, desribes the six key processes that are assessed and talks about the importance of Business Intellligence (BI) and the practical upshot of the research for businesses.
Views: 629 OracleEMEAWebVideo
Interpreting Oracle Explain Plan Output - John Mullins
 
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Themis Instructor John Mullins presents some details on interpreting Oracle Database Explain Plan output. For more information visit http://www.themisinc.com
Views: 43751 Themis Education
Oracle index creation monitoring
 
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Analyzing an Oracle index creation with d.side - Automatic diagnostic for Oracle databases performance and troubleshooting http://www.dside-software.com Copyright (c) d.side software
Views: 204 D.SIDE SOFTWARE
DBMS Indexing: The Basic Concept
 
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A quick introduction to the concept of indexing in RDBMSs
Views: 153695 Brian Finnegan
When to use Oracle Database Bitmap Indexes Lesson 1
 
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This tutorial will identify some use cases for Oracle bitmap indexes, including some of the more advanced capabilities. See all lessons, free, at http://www.skillbuilders.com/when-to-use-oracle-bitmap-indexes. Indexing your Oracle Database for best performance? There are cases, depending on data structures and queries, where b-tree indexes are not useful (e.g. scan access paths perform inadequately). In these cases, bitmap indexes may be a better solution. Bitmap indexes are a powerful tool, but they need to be used with care. Inappropriate use may cause problems worse than those they solve. The tutorial covers somewhat more advanced cases such as using bitmap join indexes to denormalize a snowflake schema, and to enable star transformations in queries that join fact tables to several dimension tables. This training will benefit any Oracle DBA administering a Data Warehouse or VLDB and "power" developers working in same. Instructor: Oracle Certified Master DBA John Watson, SkillBuilders
Views: 472 SkillBuilders
Using B*Tree Indexes-When to use B*Tree Indexes(Indexes in Oracle-3)
 
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 This video will cover  When B*Tree Index should be used. We will try to understand some of the situations when the optimizer will use B*Tree Index.  Index Clustering Factor .  Influence of parameter Optimizer_Mode and Optimizer_index_cost_adj on using B*Tree Index.
Views: 13209 Anindya Das
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!
Why China Lost the Trade War Even Before It Began - SSEC Stocks Index (1 of 7)
 
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In this series of videos I will seek to conclude in a detailed trend forecast for stock stock market for the whole of the remainder of 2018. This analysis is based on my articles beign posted at the market oracle site. Furthermore the whole of this analysis was first made available Patrons who support my work. So to get immediate First Access to ALL of my analysis and trend forecasts then do consider becoming a Patron by supporting my work for as little as just $3 per month. https://www.patreon.com/Nadeem_Walayat. Trumponomics in a nutshell can be summed up as a mish mash of policies built on tweets that has surprisingly so far delivered relative stock market strength for the broad US markets this year that has the Dow currently trading at 25,064 marginally up from at the start of the year opening level of 24,720 whilst standing up 7.5% a from its early April low of 23,300. So as the Dow chart illustrates the stock market has refused to FALL this year despite the chaos of the unfolding trade war that has been the focus of the mainstream press for 2018. This analysis continues in part 2 that will take a look at the inflationary stocks bull market. So ensure you are subscribed to my youtube channel for that video. Whilst for immediate first access to all of my analysis then do consider supporting my work by becoming a Patron for as little as $3 per month. https://www.patreon.com/Nadeem_Walayat. Why China Lost the Trade War Before it Even Began - SSEC Stocks Index (1) https://youtu.be/6TwCKo6qVgA
Views: 1405 MarketOracleTV
What is a Materialized View?
 
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http://zerotoprotraining.com This video explains the concept of a materialized view in a database also known as materialized query table an indexed view. Category: Databases Tags: Materialized View
Views: 103500 HandsonERP
Local Vs Global Partitioned Index in Oracle 11g
 
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The Video Explains the difference between Local Partitioned Indexes(Prefixed vs Non Prefixed Indexes). and Global Partitioned Index along with the challenges in maintaining Global partitioned Indexes when the underlying tables partitioned is dropped/truncated/Merged/Moved. Local Partitioned Index Shares the same boundaries as the table and are in the same number as table partitions they are widely used in DSS and DWH systems. While Global Partitioned Index are predominantly used in OLTP systems
Views: 4631 Tech Coach
Partitioning in Oracle - Performance Basics
 
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This is the 2nd video from " Partitioning in Oracle " series, It explains how oracle stores and manages data. What is single Block IO and Multi Block IO ? Why full table scan is better than index access in few cases. The video is very elaborate, I have tried my level best to keep it as simple as possible
Views: 7433 Tech Coach
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: 36426 itversity
Query Analysis and Optimizing in Oracle
 
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Database Management Systems 11. Query Analysis and Optimizing in Oracle ADUni
Views: 82727 Chao Xu
Analytical Functions in oracle explained with real examples
 
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This video explains analytical functions and how they are implemented in real projects. Analytical functions are somewhat similar to aggregate functions,but they offer much more. Why use analytical function ? They allow you to write fast and concise queries which otherwise will involve self join and long processing times They allow you to perform aggregate functions independently on sets of partitions. You can access values from previous rows in current row and you can restrict the window on which you want to apply this analytical function. I have given additional practice exercises along with the dataset so that you can comfortably work with analytical functions. You can find the sample problems along with dataset in the below link. http://www.internshipsfromhome.com/oracle-analytical-functions-ddl-and-dml/
Views: 13837 Tech Coach
Real-World Performance - 15 - Index Contention
 
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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 explains how index contention 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.
How Many Indexes Are Too Many?: Finding All The Red Sweets Part 5
 
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Every index you add to a table increases its storage requirements and DML overheads. So it's a good idea to create as few as possible. When you have two or more indexes using the same columns, you may be able to get away with just one. But how do you decide which to keep? This video discusses how to analyze your queries so you can cut the number of indexes you create. ============================ The Magic of SQL with Chris Saxon Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Views: 2087 The Magic of SQL
Oracle Training Index Creation-NewayITSolutions
 
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Oracle Training Index Creation-NewayITSolutions Learn how easy it is to make $100k and above by becoming an Oracle Database Administrator. Website: https://newayitsolutions.com Subscribe: https://newayitsolutions.com/page Enroll: https://newayitsolutions.com/enroll Youtube: newayitsolutions ------------------------------------------------------------------------------------------------------------------------------------------------------------- Follow on Facebook: https://www.facebook.com/newayitsolutions/ Follow on Twitter: https://twitter.com/Theoracledbaguy Follow on Instagram: https://www.instagram.com/oracledbatrainer/ Financing Available: https://newayitsolutions.com/loan-application School Locations: Atlanta, Maryland, Virginia ------------------------------------------------------------------------------------------------------------------------------------------------------------- Office Contact: 1-866-569-0205 Mobile Contact: 240-244-9935
What is Index Scan ,Index Seek and Table Scan?
 
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An index scan or table scan is when SQL Server has to scan the data or index pages to find the appropriate records. index seek happens when data is searched among the index.Please watch full video for detail.
Views: 17063 SqlIsEasy
Why Won't Oracle 12c Use My Index - 12c Attribute Clustering - Lesson 2 Demonstration
 
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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 - Learn 12c CREATE TABLE - "CLUSTERING BY LINEAR ORDER". In this lesson 2 (of 4), you see a great demonstration of CREATE TABLE - "CLUSTERING BY LINEAR ORDER" - so the CBO will use your index! To see all free lessons, visit http://www.skillbuilders.com/12c-attribute-clustering.
Views: 251 SkillBuilders
Database - Indexes And Optimization
 
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Covers the basic concepts of database indexes and using them to optimize a database
SelectTec | Aula Nº 28 | Create Index - Oracle SQL Developer
 
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create index syntax: create unique index nome_indice tabela(colula)
Views: 1482 SelectTec
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: 8832 Tech Query Pond
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: 92741 radhikaravikumar
Using Splunk Internal Indexes to Audit Security, Users, Searches and more.
 
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Use the Splunk internal audit index to find people trying to access your Splunk servers and users running inefficient searches.
Views: 6864 Splunk How-To
Oracle 10g Exercise 1
 
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Exercise on Varray, Nested Table, Indexes, Redo logs.....
Views: 576 ITLecture
What is an Index - Database Tutorial 8
 
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Database Tutorial. This video is about Database Fundamentals. I hope this series of videos can help those who want to be Database Professionals. I will cover various database technologies including Oracle Database, Microsoft SQL Server database and Sybase. Video: What is an Index (Video 8 in the Database Tutorial Series)
Views: 110782 Sam Dhanasekaran
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: 11287 SkillBuilders
Expert Bitcoin Price Technical Analysis [October 2018]
 
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Link to join Blockchain Education: http://pxlme.me/MtIHH9eo [The Professional Crypto Trading & Investing Group] Follow me on Twitter for daily crypto updates: https://twitter.com/OracleOfCrypto My personal choice for Charting/Technical Analysis Software: http://tradingview.go2cloud.org/SH1Gq My preferred website hosting service [$4/month]: http://bluehost.com/track/cryptooracle SAFE Binance Exchange Link [Best New Crypto Exchange]: https://www.binance.com/?ref=10119981 $10 FREE Coinbase Link when you sign up: https://www.coinbase.com/join/5627fec0298d8700720002a5 Ledger Nano S (where I store my BTC): https://www.ledgerwallet.com/r/6b6e Trezor Wallet (my first BTC backup): https://shop.trezor.io/?a=eAHHQy3J *Crypto Oracle is not a licensed crypto financial advisor. The information presented in this video is an opinion, and is not purported to be fact. Bitcoin is a volatile instrument and can move quickly in any direction. Crypto Oracle is not responsible for any trading loss incurred by following this advice
Views: 2509 Crypto Oracle
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: 46828 Ramkumar Swaminathan

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