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Redo Logs in an Oracle Database - DBArch Video 11
 
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This video explains the concepts of Redo Log Groups and Files in an Oracle Database. You will understand how Oracle Instance uses Redo Buffers and Logwriter to keep the redo in Redo Logs. 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: 24290 Ramkumar Swaminathan
Arquitetura-Oracle- Log Buffer
 
02:31
Este vídeo ilustra o funcionamento do mecanismo de Redo Log Buffer.
Views: 495 DBA Maker
How to reszie the redolog file
 
14:15
In this video i'm going to demonstrate you how to resize the redolog file step by step, this is only one method to resize the redolog file.
Views: 2717 OCP Technology
REDO log buffer | Oracle DBA Tutorials for the Beginners | RR TECHNOSOFT
 
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RR TECHNOSOFT provide Oracle DBA Training in Ameerpet Hyderabad. We Also provide Oracle DBA Tutorials for the Beginners Contact us for more information Visit Us : http://www.rrtechnosoft.co.in/ Email Us: [email protected] Phone: (+91) - 9542535632
Views: 100 RR TECHNOSOFT
Arquitetura-Oracle- Log Buffer
 
02:26
Aula exemplo para 2014...
Views: 199 Marcio Guimaraes
What is the Buffer Pool
 
01:18
What is the Buffer Pool ?
Views: 7529 SQLServer Work
How to find block sizes of all Oracle Database files
 
14:02
Block size of control files and redo log files are not same as default block size of your oracle database. Understand the level of control we got to alter these block sizes from one of my real time activity. Many more interesting blogs at : www.orskl.com/blog Looking for Oracle DBA training: www.orskl.com/training WhatsApp: +919951696808
Views: 3434 OrSkl Academy
Table size ,Number of records,Disk usage in SQL Database,clear logs,cache
 
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This clip will show you how to check each Table size, Number of records, Disk usage in SQL Database. You can see how to write the query to get details of all tables in terms of size, records, space utilization and free space on disk for tables. http://daynamicsaxaptatutorials.blogspot.com This is axapta ERP blog for Technical and functional fields and includes Microsoft Dynamics Axapta tutorials and Dynamics Axapta Coverage. This blog also contains x++ code help for Ax developer and solution of technical and functional daily issues. This blog is specific for Microsoft dynamics programming. Enterprise portal, SharePoint services, business connectors and Enterprise Resource Planning applications and sql database.It will help to get Microsoft Business Solutions. SQL subpart, SQL remainder, SQL language, SQL unit, SQL making, SQL portion, SQL auto, SQL part, SQL addition, SQL picture, SQL element, SQL supplement, SQL heating, SQL element, SQL hardware, SQL constituent, SQL factor, SQL constituent, SQL part, SQL residue, SQL unit, SQL butt, SQL basis, SQL appurtenance, SQL landside, SQL module, SQL crystal, SQL spare, SQL part,SQL section, SQL ingredient, SQL base, SQL balance, SQL residuum, SQL meronymy, SQL portion, SQL item, SQL substance, SQL part, SQL to, SQL whole, SQL relation, SQL spark, SQL gap, SQL car, SQL part, SQL pel, SQL audio, SQL computer, SQL hardware, SQL element, SQL pixel, SQL improver, SQL spare, SQL retrofit, SQL ingredient, SQL add-on, SQL input, SQL accessory,division, SQL point, SQL constituent, SQL part, SQL be-all, SQL and, SQL end-all, SQL plot, SQL element, SQL be, SQL all, SQL and, SQL end, SQL all, SQL element, SQL detail, SQL component, SQL part, SQL member, SQL rest, SQL linguistic, SQL unit, SQL relation, SQL particular, SQL residual, SQL part,
Views: 1077 Santosh kumar Singh
How to choose the proper Size for online redo log files using redo log advisor.
 
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This Video is about ow to set the optimum size of the Online redo log files, Using Redo log advisor in Oracle database Credits: OMS workload Pic: https://www.databasejournal.com/features/oracle/article.php/3882876/Monitoring-Oracle-Database-11g-R2-with-Oracle-Enterprise-Manager.htm Music: https://www.bensound.com
Views: 56 ORA-600
020 REDO log buffer
 
01:04
Views: 18 JAY PAREKH
Tutoriel Oracle DBA1 (24) : Le composant mémoire Log Buffer.
 
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Bonjour, Abonnez-vous à Sybaway : http://goo.gl/dBJO13 Plus de tutoriels : http://goo.gl/Ut31RF Facebook : http://goo.gl/DC7AIA Twitter : http://goo.gl/PUrQga Sybaway
Views: 2269 Abdessamad HALLAL
How to increase the scroll buffer size in PuTTY
 
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• PuTTY doesn't allow you to scroll up very far. It becomes annoying when running programs having lots of input you might need to scroll through and review. • One command that can sometimes produce a lot of output is Is- the command to list a directory contents. • Type Is -- I/ to list the contents of the root directory. Press Enter to execute a shell command. • Type the command shown to list the contents of all directories contained by home directory. Scroll up. The command we just typed. Output of previous command will be shown above. • Scroll up. You can reach top of scrollbar and still can't see first command we typed; it's just barely out of range. • Increase size of scroll buffer. Close this session and re-open PuTTY to configuration window. Select session from the list and then click Load button. • Go to Window button. Enter higher value for Lines of scrollback. • Go to Session category. Click on Save button after filling options. • Log in normally and once logged in, test out new scroll buffer size. Type command from before several times. End each line with shell comment as shown. • Watch size of scrollbar. First command will be displayed and change will work.
Views: 12810 kvchosting
HOW TO INCREASE DECREASE MEMORY TARGET IN ORACLE 11G
 
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How to increase/decrease memory_target in 11g ====================================================== oracle 10g --sga_target (parameter new in 10g) oracle 11g --memory_target (parameter new in 11g) How to check whether the parameter is static or dynamic? ========================================================= select name, value, issys_modifiable from v$parameter where name like '%&parameter%' ; if issys_modifiable=false --- parameter is static (database bounce required) if issys_modifiable=immediate --- parameter is dynamic (database bounce not required) (note: consider using spfile) sql commands ================ show parameter memory; alter system set memory_target=350m scope=spfile; alter system set memory_max_target=350m scope=spfile;
Views: 5629 Praveen Biyyapu
Save putty logs, change putty colour and font size
 
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Oracle Concepts : Save putty logs, change putty background color and font size.
Views: 3042 Oracle Conepts
Will huge Consistent Reads floods BUFFER CACHE?
 
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Video Blog on Oracle Real Time Activity regarding CACHE chains in BUFFER CACHE on Consistent Read operations. Looking for Oracle DBA training? WhatsApp/Contact: +919951696808 More training options at www.orskl.com/training
Views: 2201 OrSkl Academy
What should be the Database block size? - DBPerf Video 15
 
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In this video you will learn about the different block sizes and how it impacts an Oracle database performance. Note: You cannot change the block size after a database is created.... Stay subscribed for updates.... 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: 3013 Ramkumar Swaminathan
SGA Target Greater Than SGA MAX SIZE
 
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How To Start Your Oracle Database When the Sga is greater than the sga max size- Neway It Solutions
Views: 1419 NewayITSolutions LLC
0302 Transaction Log
 
05:56
Views: 9904 solubletech
18 Redo Log Management
 
24:26
Redo Log Management in Oracle DBA
Views: 4189 NewTechnology
Buffer Cache
 
02:17
This video is part of the Udacity course "GT - Refresher - Advanced OS". Watch the full course at https://www.udacity.com/course/ud098
Views: 21517 Udacity
Locks   Blocks   Deadlocks
 
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Understanding Locks, Blocks and dead locks in oracle database.
Views: 4257 OrSkl Academy
SQL server 100% CPU usage fix
 
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This issue is very common and commonly faced by DBA, developers and server management team on production server i.e. SQL server leads into 100% CPU usage and also start consuming all available memory. Now most of the time you have seen technical people restarting sql services, or killing long running processes and even restarting complete server, and they can avoid this situation. Before starting any thing I would like to discuss a common myth people have that this is happening because of long running queries only. Which is not all ways true, some times: Longer running query can be problem Query having maximum worker time are also problem Query execution count can also cause problem For script check below link: http://www.techsapphire.in/index/sql_server_100_cpu_usage_fix/0-166
Views: 94188 techsapphire
What exactly is PLAN TABLE in Oracle Database #Performance #Tuning
 
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Running an EXPLAIN PLAN to generate EXECUTION PLAN in oracle database is possible with PLAN_TABLE. But this video will give you much more insights of what is this PLAN_TABLE. Learn how is PLAN_TABLE called as global temporary table. Need Oracle database training? WhatsApp to +919951696808 visit www.orskl.com/training
Views: 3255 OrSkl Academy
What are Data Blocks - DBArch Video 28
 
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In this video you will learn about an Oracle Database block, what are the possible sizes and how it impacts the tables. Also you will learn about setting up multiple block sizes and how to configure the Buffer Cache for a database with multiple block sizes . 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: 4526 Ramkumar Swaminathan
oracle sga memory tuning oracle database buffer  cache
 
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oracle system global area description brief description of components of oracle sga memory oracle system global area oracle database buffer cache oracle shared area memory
how to set redo log file
 
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how to configure redo log file
Views: 238 Cocktail Video
Trace session details with USER process and SERVER process ID
 
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Oracle database user session tracing.
Views: 8271 OrSkl Academy
How Oracle database does instance recovery after failures
 
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A real time activity to demonstrate how Oracle database performs automatic instance recovery after a failure. This video blog will take a real example to prove the concepts in reality. Need DBA training? Whatsapp : +919951696808 More blogs at https://www.orskl.com
Views: 2300 OrSkl Academy
Interesting fact on reading data from GV$ views in RAC
 
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How data is fetched from GV$ views in oracle RAC
Views: 930 OrSkl Academy
Can you really flush Oracle SHARED POOL
 
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This video will explain what happens in reality when you issue ALTER SYSTEM FLUSH SHARED_POOL. A step by step case study will give you the answers by the end of this video session. Oracle DBA training: Need some training on Performance tuning? - Whatsapp +919951696808 Look for more contents on training at: www.orskl.com/training
Views: 3144 OrSkl Academy
What is Slow Query Logging in MariaDB or MySQL and How to Enable Slow Query Log - MariaDB Tutorial
 
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What is Slow Query Logging in MariaDB or MySQL and How to Enable Slow Query Log If you are interested to log the information for slow queries in MySQL or MariaDB, you can enable slow query logging. it is great way to capture the slow queries and help with performance debugging. Find slow running queries in mysql find slow running queries in mariadb how to find if queries are not using indexes in mysql how to check if queries are not using indexes in mariadb link to script used in the video http://www.techbrothersit.com/2018/10/what-is-slow-query-logging-in-mairadb.html
Views: 331 TechBrothersIT
Change INITRANS on table in Oracle database
 
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http://dbacatalog.blogspot.com
Views: 903 dbacatalog
Simplified DBA-014- Database Architecture Physical and Logical   Explained
 
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A database storage structure could be divided into logical and physical structure. Physical structure consists of files on physical disks while logical structure resides in the database. Both can be managed separately. Each database is logically divided into two or more tablespaces. One or more data files are explicitly created for each tablespace to physically store the data. A database is divided into logical storage units called tablespaces, which group related logical structures or datafiles together. For example, tablespaces commonly group all of an application’s segments to simplify some administrative operations. At the finest level of granularity, an Oracle database’s data is stored in data blocks. One data block corresponds to a specific number of bytes of physical space on the disk. A data block size is specified for each tablespace when it is created. A database uses and allocates free database space in Oracle data blocks. When you create a table, a segment is created with the same name in the tablespace. This segment has one or more Extents of equal size. Each Extent has Oracle Data Blocks as per tablespace definition. A data block could be of size 8K, 16K, 32K, 64K etc.
Oracle 11gR2 Complete DBA - DEMO
 
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Demonstration on Oracle Complete DBA training. Includes Core DBA, Real time activities, RAC and Dataguard courses
Views: 1689 OrSkl Academy
Oracle 11gR2 Single Instance real time activies DEMO
 
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Oracle 11gR2 DBA training on real time activities only on single instance database environment
Views: 1601 OrSkl Academy
Transaction Log Architecture
 
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What's Inside the Transaction Log
Views: 14746 Mike
Oracle 11g Multiplexing Your Online Redo Log Files
 
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In this tutorial i'm going to show you how to do Multiplexing Your Online Redo Log Files in Oracle 11g using command mode.
Views: 1636 OCP Technology
How to run VBScript programs !! Database Training Training ! Infotek-SolutionInc
 
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For Complete Database Training Details Visit: http://www.qaonlinetraining.com http://infotek-solutions.com/ Delivery Method: Instructor led classroom and Online Training supported by world class Learning management system which automate all flow of lectures, videos, assignments, forums, quizzes and interview process. Class Schedule: Week-ends and Weekdays Contact Us: 571-437-0652, Mail Us: [email protected] Training Locations at : Ashburn / Fairfax / Maryland Office Address: 12801 Worldgate Dr #500, Herndon, VA 20170 Overview of Oracle DBA Training Oracle as a flexible, complex & robust RDBMS The evolution of hardware and the relation to Oracle Different DBA job roles (VP of DBA, developer DBA, production DBA, database babysitter) The changing job role of the Oracle DBA Environment management (network, CPU, disk and RAM) Instance management (managing SGA regions) Oracle table and index management Instance Architecture Instance vs. database Components of an instance Creating the OFA file structure ($DBA, bdump, udump, pfile) Oracle Instance Internals SGA vs. PGA Background processes Interfaces with server and disk I/O subsystem Using SQL*Plus for DBA management Connecting and executing SQL Using the “as sysdba” syntax Overview of SQL*Plus DBA commands (startup, etc.) Control file, UNDO and REDO management Explaining the use of control files Listing the Contents of the control File File locations for control Files Obtaining Control File Information Listing control file contents Displaying and Creating Undo segments Altering Undo Segments Determining the Number and Size of Undo segments Understanding flashback technology Troubleshooting Undo – snapshot too old Redo log concepts for recovery Online redo log (log_buffer) online redo logs and archived redo logs Oracle ARCH and LGWR background processes Redo log dictionary queries Redo log switch frequency and performance Multiplexing the Online Redo Log Files Archiving the Oracle Redo Logs Recovery using the redo log files User and privilege management The three security methods (VPD, Grant security/role-based security, grant execute) Creating New Database Users Using pre-spawned Oracle connections Auditing User activity Identifying System and Object Privileges Granting and Revoking Privileges Creating and Modifying Roles Displaying user security Information from the Data Dictionary Overview of instance management Parameter files (init.ora, listener.ora, tnsnames.ora) Rules for sizing SGA components Automated Oracle memory management (AMM) Initialization file management Creating the init.ora file Using spfile Displaying init.ora values with v$parameter Oracle*Net configuration Creating the listener.ora file Creating the tnsnames.ora file Data buffer configuration & sizing Inside the Oracle data buffers Using the KEEP pool Monitoring buffer effectiveness Using multiple blocksizes (multiple buffer pools) Shared pool and PGA configuration & Sizing Shared pool concepts and components Understanding the library cache Relieving shared pool contention Overview of PGA for sorting and hash joins Using sort_area_size, hash_area_size and pga_aggregate_target Troubleshooting network connectivity Verifying network connectivity with ping and tnsping Testing database links Oracle tables, views and materialized views Types of Oracle tables (regular, IOT, sorted hash clusters, nested tables) Oracle Views Oracle materialized views Oracle indexes Types of Oracle indexes (b-tree, bitmap, bitmap join index) Creating B*-Tree, bitmap and function-based Indexes Function-based indexes Finding indexing opportunities Index maintenance Oracle constraints Costs & benefits of constraints Types of Oracle indexes constraints (check, not null, unique, PK, FK) Cascading constraints Schema, File & tablespace management Describing the relationship between data files, tablespaces and table Understanding Oracle segments Creating Tablespaces – using the autoextend option Changing the Size of Tablespaces – alter database datafile command Defining a TEMP tablespace Changing the default storage Settings for a tablespace Review of the storage parameters in DBA views (ASM, ASSM, pctfree, pctused and freelists). Monitoring Chained rows (fetch continued rows) Monitoring Insert and Update performance (pctused, APPEND) Database Maintenance Reason for reorgs – chained rows, imbalanced freelists Reorganizing Tables using Export and Import Using CTAS to reorganize data Index rebuilding Backup & Recovery overview (hot & cold Backups, RMAN, block change tracking) Oracle DBA Utilities Data pump (Imp and exp utilities) SQL*Loader LogMiner Flashback DataGuard Oracle DBA utilities – Oracle dbms packages (dbms_redefinition)
Comando dmesg - Visualizar o log do buffer do Kernel do Linux
 
11:29
Comando dmesg - Visualizar o log do buffer do Kernel do Linux Este vídeo é parte integrante do Curso Preparatório para Certificação Linux LPIC-1 e do Curso de Linux Básico. Contribua com a Bóson Treinamentos!: Clube de Contribuições do Catarse: https://www.catarse.me/bosontreinamentos Outras formas de contribuição: http://www.bosontreinamentos.com.br/contribuir/ Por Fábio dos Reis Bóson Treinamentos: http://www.bosontreinamentos.com.br Facebook: https://www.facebook.com/bosontreinamentos/ Pinterest: https://br.pinterest.com/bosontreina/ Twitter: https://twitter.com/bosontreina Instagram: bosontreinamentos Outros projetos do autor: Diário do Naturalista: http://www.diariodonaturalista.com.br
Views: 4172 Bóson Treinamentos
Database Size: How to Increase Sql Database Size
 
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This video clearly explains how to increase SQL database size limit. All the important steps to increase SQL Server database size limit are provided.
Views: 5045 Technology Crowds
Why should we configure limits.conf for Oracle database
 
21:16
Real time example - As Oracle DBA, you must have installed Oracle database software on UNIX platforms. But why did you configure limits.conf file ? This blog will help you understand with a real time example. Want Oracle DBA training? check www.orskl.com/training Whatsapp: +919951696808
Views: 1842 OrSkl Academy
How to Setup Mysql on your machine
 
03:11
For Complete Database Training Details Visit: http://www.qaonlinetraining.com http://infotek-solutions.com/ Delivery Method: Instructor led classroom and Online Training supported by world class Learning management system which automate all flow of lectures, videos, assignments, forums, quizzes and interview process. Class Schedule: Week-ends and Weekdays Contact Us: 571-437-0652, Mail Us: [email protected] Training Locations at : Ashburn / Fairfax / Maryland Office Address: 12801 Worldgate Dr #500, Herndon, VA 20170 Overview of Oracle DBA Training Oracle as a flexible, complex & robust RDBMS The evolution of hardware and the relation to Oracle Different DBA job roles (VP of DBA, developer DBA, production DBA, database babysitter) The changing job role of the Oracle DBA Environment management (network, CPU, disk and RAM) Instance management (managing SGA regions) Oracle table and index management Instance Architecture Instance vs. database Components of an instance Creating the OFA file structure ($DBA, bdump, udump, pfile) Oracle Instance Internals SGA vs. PGA Background processes Interfaces with server and disk I/O subsystem Using SQL*Plus for DBA management Connecting and executing SQL Using the “as sysdba” syntax Overview of SQL*Plus DBA commands (startup, etc.) Control file, UNDO and REDO management Explaining the use of control files Listing the Contents of the control File File locations for control Files Obtaining Control File Information Listing control file contents Displaying and Creating Undo segments Altering Undo Segments Determining the Number and Size of Undo segments Understanding flashback technology Troubleshooting Undo – snapshot too old Redo log concepts for recovery Online redo log (log_buffer) online redo logs and archived redo logs Oracle ARCH and LGWR background processes Redo log dictionary queries Redo log switch frequency and performance Multiplexing the Online Redo Log Files Archiving the Oracle Redo Logs Recovery using the redo log files User and privilege management The three security methods (VPD, Grant security/role-based security, grant execute) Creating New Database Users Using pre-spawned Oracle connections Auditing User activity Identifying System and Object Privileges Granting and Revoking Privileges Creating and Modifying Roles Displaying user security Information from the Data Dictionary Overview of instance management Parameter files (init.ora, listener.ora, tnsnames.ora) Rules for sizing SGA components Automated Oracle memory management (AMM) Initialization file management Creating the init.ora file Using spfile Displaying init.ora values with v$parameter Oracle*Net configuration Creating the listener.ora file Creating the tnsnames.ora file Data buffer configuration & sizing Inside the Oracle data buffers Using the KEEP pool Monitoring buffer effectiveness Using multiple blocksizes (multiple buffer pools) Shared pool and PGA configuration & Sizing Shared pool concepts and components Understanding the library cache Relieving shared pool contention Overview of PGA for sorting and hash joins Using sort_area_size, hash_area_size and pga_aggregate_target Troubleshooting network connectivity Verifying network connectivity with ping and tnsping Testing database links Oracle tables, views and materialized views Types of Oracle tables (regular, IOT, sorted hash clusters, nested tables) Oracle Views Oracle materialized views Oracle indexes Types of Oracle indexes (b-tree, bitmap, bitmap join index) Creating B*-Tree, bitmap and function-based Indexes Function-based indexes Finding indexing opportunities Index maintenance Oracle constraints Costs & benefits of constraints Types of Oracle indexes constraints (check, not null, unique, PK, FK) Cascading constraints Schema, File & tablespace management Describing the relationship between data files, tablespaces and table Understanding Oracle segments Creating Tablespaces – using the autoextend option Changing the Size of Tablespaces – alter database datafile command Defining a TEMP tablespace Changing the default storage Settings for a tablespace Review of the storage parameters in DBA views (ASM, ASSM, pctfree, pctused and freelists). Monitoring Chained rows (fetch continued rows) Monitoring Insert and Update performance (pctused, APPEND) Database Maintenance Reason for reorgs – chained rows, imbalanced freelists Reorganizing Tables using Export and Import Using CTAS to reorganize data Index rebuilding Backup & Recovery overview (hot & cold Backups, RMAN, block change tracking) Oracle DBA Utilities Data pump (Imp and exp utilities) SQL*Loader LogMiner Flashback DataGuard Oracle DBA utilities – Oracle dbms packages (dbms_redefinition)
DB2 Performance Myth Buster 2 - How Increasing Bufferpool Size will not increase LOAD Performance
 
09:09
How Increasing Bufferpool Size will not increase LOAD Utility Performance Look for Direct I/O. Happy Learning & Sharing
Views: 661 DB2-LUW-ACADEMY
Secure Logical Standby Oracle database
 
12:19
Understand how do you secure your logical standby oracle database
Views: 1160 OrSkl Academy
How the Initial VLF sequence number gets decided of the default transaction log file
 
02:26
http://www.dharmendrakeshari.com/initial-vlf-sequence-numbers-get-decided-default-transaction-log-file-size/
Views: 195 Dharmendra Keshari
ORACLE -  Managing Undo and Flashback
 
06:49
Tugas UTS Mata Kuliah Manajemen Basis Data 2016 S1 Sistem Informasi Telkom University
Identify Database Bottlenecks with Performance Monitor Counters [HD]
 
11:52
Description: This video is about How to Identify Database Bottlenecks with Performance Monitor Counters [HD]. You can refer complete Text Tutorial on my website: www.SQLServerLog.com You can join me on social networks: Facebook: http://www.facebook.com/SQLServerLog Linkedin: http://in.linkedin.com/in/SQLServerLog Google+: http://www.google.com/+SQLServerLogs Twitter: http://www.twitter.com/SQLServerLog
Views: 16293 SQLServer Log