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Search results “Move partition tablespace oracle” for the 2014
Table Shrinking in Oracle Database
 
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1.Shrink the Table: Shrinking is started from 10g. In this method I’m using user u1 and table name sm1. Now I’m deleting some rows in sm1 COUNT ---------- 1048576 Table sm1 has 1048576 rows. [email protected]: delete from sm1 where deptno=10; 262144 rows deleted. I deleted above number of rows. Rows COUNT ---------- 786432 And I’m giving commit [email protected]: commit; Commit complete. So now we have 786432 rows in sm1 table. Now see the following command [email protected]: select OWNER,TABLESPACE_NAME,SEGMENT_NAME,SEGMENT_TYPE,BYTES/1024/1024||' mb'"space",BLOCKS,EXTENTS from dba_segments where tablespace_name like 'U%TS'; OWNER TABLESPACE_NAME SEGMENT_NAME SEGMENT_TYPE space BLOCKS EXTENTS ----- --------------- ------------- ------------- ------ ---------- ---------- U1 U1TS SM1 TABLE 29 mb 3712 44 After I deleted some rows in sm1 table still above result showing same values, so now our duty is shrink this table. This is done by following 2 ways, i By using COMPACT key word: In this method shrinking is done in two phases. In the first phase all fragmented space are just defragmented, but still the High Water Mark is persist with last used block only. That mean used free blocks are not de allocated and HWM is not updated here. Issue the following command before use shrink command. [email protected] alter table sm1 enable row movement; Table altered. There is particular use with above command, when we shrink the table all rows are moves to contiguous blocks, so here row movement should be done. By default the row movement is disabled for any table, so above command enabled the row movement. Then execute shrink command now. [email protected]: alter table sm1 shrink space compact; Table altered. Now see the space of table by using below command. [email protected]: select OWNER,TABLESPACE_NAME,SEGMENT_NAME,SEGMENT_TYPE,BYTES/1024/1024||' mb'"space",BLOCKS,EXTENTS from dba_segments where tablespace_name like 'U%TS'; OWNER TABLESPACE_NAME SEGMENT_NAME SEGMENT_TYPE space BLOCKS EXTENTS ----- --------------- ------------- ------------- ------ ---------- ---------- U1 U1TS SM1 TABLE 29 mb 3712 44 So here seems nothing happened with above shrink command, but internally the fragmented space is defragmented. But the high water mark is not updated, used free blocks are also not de allocated. For de allocating the used blocks we have to execute below command. This is the second phase. [email protected]: alter table sm1 shrink space; Table altered. Now see the space by using below command. [email protected]: select OWNER,TABLESPACE_NAME,SEGMENT_NAME,SEGMENT_TYPE,BYTES/1024/1024||' mb'"space",BLOCKS,EXTENTS from dba_segments where tablespace_name like 'U%TS'; OWNER TABLESPACE_NAME SEGMENT_NAME SEGMENT_TYPE space BLOCKS EXTENTS ----- --------------- ------------- ------------- ---------- ---------- ---------- U1 U1TS SM1 TABLE 20.8125 mb 2664 36 So now the space of sm1 table is reduced. Note: Actually the alter table sm1 shrink space command will complete these two phases of the shrinking of table at a time. But here we done shrink process in two phases because when we use alter table sm1 shrink space command the table locked temporarily some time period, during this period users unable to access the table. So if we use alter table sm1 shrink space compact command the table is not locked but space is defragmented. When we not in business hours issue the second phase shrink command then users are won’t get any problem. ii Because of above method the table dependent objects are goes to invalid state, to overcome this problem we have to use below command. [email protected]: alter table sm1 shrink space cascade; Table altered. The above command also shrinks the space of all dependent objects. We also do this in two phases like above two phases. See the below command. [email protected]: alter table sm1 shrink space compact cascade; Table altered. And then [email protected]: alter table sm1 shrink space cascade; Table altered. Transporting tablespace to different platform by Using RMAN : https://www.youtube.com/watch?v=CN401PUKK4A Oracle EBS apps Upgrade from 12 2 to 12 2 5 (start CD 51) : https://www.youtube.com/watch?v=zeO4goqR70Y Transport tablespace by using RMAN.: https://www.youtube.com/watch?v=YG6kWX7Par8
Views: 6770 BhagyaRaj Katta
DB2 Got Talent 2013 - Partitioned Tables (Éric Castro)
 
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Apresentação sobre particionamento de tabela realizada no DB2 Got Talent 2013. Primeira apresentação do Éric Castro no concurso.
Views: 1383 Perallis Channel
part 7 model clause partition by
 
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dimension by, partition by, model clause, sql model, data warehousing
Oracle Database Tutorial 52 : Data Pump expdp - How to Export full database using expdp
 
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Oracle Database tutorial/SQL Tutorial 52 On Data Pump expdp utility here in this tutorial you'll learn how to export full/complete Database using expdp data pump utility of oracle Database ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/database-full-export-using-expdp Tut 48 Roles: http://youtu.be/tyYxSrCXzCM ------------------------------------------------------------------------- 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 1st 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: 75401 Manish Sharma
Oracle Advance Compression
 
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Oracle Advance Compression
Views: 440 BD2 Proyecto
PRM 3.1 For Oracle ASM Extract Datafile From Damaged ASM Disk group
 
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PRM 3.1 For Oracle ASM Extract Datafile From Damaged ASM Disk group
Why Oracle DBAs Dislike Auditing and What 12c Unified Audit Does About It - Lesson 1 of 7
 
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See all 7 free modules in this Free Tutorial at http://skillbuilders.com/Oracle-12c-Unified-Audit-Free-Tutorial
Views: 1717 SkillBuilders
How to Clone Oracle Databases - Session 8
 
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In less than 3 minutes, SkillBuilders Oracle Certified Master John Watons demonstrates creating an additional clone - of any size, even Terabytes! Be sure to adjust YouTube settings to High Definition! It can take a minute, but this video will display in High Def! Visit www.SkillBuilders.com/oracle-tutorials to view all...
Views: 702 SkillBuilders
Moving data to DB2 with BLU Acceleration Skill Builder
 
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This skill builder video discusses the DB2 tools that can be used to move data to BLU Acceleration, column organized tables. The use of InfoSphere Optim Query Workload Tuner for selecting tables to convert to BLU Acceleration based on performance improvement is demonstrated. Related courses: Implementation and Use of DB2 BLU Acceleration (CL450) http://www.ibm.com/services/learning/ites.wss/zz/en?pageType=tp_search_results_new&noOfResultsPerPage=20&rowStart=0&searchString=CL450 DB2 10.5 for LUW Advanced Database Administration with DB2 BLU Acceleration (CL463) http://www.ibm.com/services/learning/ites.wss/zz/en?pageType=tp_search_results_new&noOfResultsPerPage=20&rowStart=0&searchString=CL463 Useful links: Training Paths: http://www.ibm.com/services/learning/ites.wss/zz/en?pageType=page&c=a0007973 Certification Program: http://www.ibm.com/software/data/education/certification.html IBM Certified Database Administrator - DB2 10.5 DBA for LUW Upgrade from DB2 10.1 http://www.ibm.com/certify/certs/08002108.shtml IM Certification and Skills : http://www.ibm.com/software/data/education
Oracle Advisor Framework: Database Advisors Concepts And Hand On Demos 2
 
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In this tutorial you will learn about the oracle advisor framework, concepts and hands-on demos for different database advisors.
Views: 366 DBA Pro
Real-World Performance - 9 - Deduplication
 
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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 deduplication of data 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.
PostgreSQL
 
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PostgreSQL, often simply "Postgres", is an object-relational database management system (ORDBMS) with an emphasis on extensibility and standards-compliance. As a database server, its primary function is to store data, securely and supporting best practices, and retrieve it later, as requested by other software applications, be it those on the same computer or those running on another computer across a network (including the Internet). It can handle workloads ranging from small single-machine applications to large Internet-facing applications with many concurrent users. Recent versions also provide replication of the database itself for security and scalability. PostgreSQL implements the majority of the SQL:2011 standard, is ACID-compliant and transactional (including most DDL statements) avoiding locking issues using multiversion concurrency control (MVCC), provides immunity to dirty reads and full serializability; handles complex SQL queries using many indexing methods that are not available in other databases; has updateable views and materialized views, triggers, foreign keys; supports functions and stored procedures, and other expandability, and has a large number of extensions written by third parties. In addition to the possibility of working with the major proprietary and open source databases, PostgreSQL supports migration from them, by its extensive standard SQL support and available migration tools. And if proprietary extensions had been used, by its extensibility that can emulate many through some built-in and third-party open source compatibility extensions, such as for Oracle. This video is targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video
Views: 3858 Audiopedia
C2090-544: DB2 9.7 Test Advanced Exam DBA for LUW Questions
 
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For IBM C2090-544 Test Questions and Answers Please Visit: https://www.PassEasily.com/C2090-544.htm Exam Section 1: Database Test Design Questions (Test Coverage 11%) Exam Section 2: Data Partitioning and Clustering Questions (Test Coverage 15%) Exam Section 3: High Availability and Test Diagnostics Questions (Test Coverage 21%) Exam Section 4: Performance and Scalability Questions (Test Coverage 34%) Exam Section 5: Security Questions (Test Coverage 11%) Exam Section 6: Connectivity and Networking Questions (Test Coverage 8%) (Exam Time): 90 minutes (Number of Test Questions): 53 (C2090-544 Passing Score): 62% You will be tested for: The C2090-544 test contains six sections totaling approximately 53 multiple-choice questions. Section 1 - Database Design (11%) • Ability to design, create and manage database storage paths • Ability to design, create and manage table spaces • Ability to design, create and manage buffer exam pools • Ability to design and configure federated database test access Section 2 - Data Partitioning and Clustering (15%) • Ability to design, create, and manage database partitioning • Ability to design, create, and manage multi-dimensional clustered test tables • Ability to design, create, and manage table partitioning • Knowledge of IBM Smart Analytics System exam Section 3 - High Availability and Diagnostics (21%) • Ability to manage database logs for recovery • Ability to use advanced backup exam features • Ability to use advanced recovery test features • Ability to enhance database availability • Ability to use C2090-544 diagnostic tools • Ability to use High Availability Disaster Recovery (HADR) Section 4 - Performance and Scalability (34%) • Identify and use C2090-544 DB2 registry variables that affect database system performance • Identify and use the questions and configuration parameters that affect database system performance • Knowledge of query optimizer concepts • Ability to manage and tune C2090-544 database, instance and application memory and I/O • Ability to use Compression and questions • Ability to identify and resolve performance exam problems • Ability to manage a large number of users and test connections • Ability to determine the appropriate index to create • Ability to exploit parallelism Section 5 - Security (11%) • Knowledge of external authentication exam mechanisms • Ability to implement Label Based Access Control (LBAC) • Ability to use C2090-544 DB2 Audit • Knowledge of authorities, privileges, and roles Section 6 - Connectivity and Networking (8%) • Ability to manage connections to host test systems • Ability to manage the questions and connections from clients • Ability to identify and resolve connection problems and questions
Views: 207 Easily Test IBM

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