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  • ASM
    • Creating ASM Instance and diskgroups manually without DBCA
    • 20 ASM Realtime | Interview Questions
    • How to make a cold backup for database running on ASM ( using RMAN )
    • Moving a Single Datafile from File System to ASM System (METHOD 1)
    • Moving a Single Datafile from File System to ASM System (METHOD 2)
    • Things to consider while adding new disk/ Rebalancing existing Disk Group
  • Dataguard
    • Dataguard Modes
    • Dataguard Modes - II
    • Oracle DataGuard Setup
    • invalid archived log deletion policy
    • recover from the Loss of a Datafile on a Standby Database ?
    • MRP terminated with ORA-00600: internal error code, arguments
    • Recover archive gaps in standby database - using 2 methodss
    • Gap Resolution in Dataguard
    • Convert Physical Standby to Snapshot Standby and Vice Versa
    • Re-create Redo-logs on Standby/ Primary
    • Pre-check for DataGuard switchover Process
    • ORA-19815: WARNING: db_recovery_file_dest_size
    • How do you purge old archivelogs which are applied on Standby DB
    • Pre-check For SWITCHOVER using DG Broker
    • https://oracle-dba-help.blogspot.com/2016/03/data-guard-modes.html
    • ORA-01274 : RENAME THE UNKNOW FILE IN THE STANDBY DATABASE
  • Core DBA
    • Database Creation in Easy 6 Steps
    • Oracle Networking
    • Tablespace management
    • Housekeep : Quick Tips for DBA
    • Health check for DB
    • ORA-12537 While Connecting To Database Via Listener
    • How to identify the applied patche-set of your Oracle Home
    • Accessing a schema without knowing the password
    • ORA-12505: TNS:listener does not currently know of SID given in connect descriptor
    • Session Related Scripts
    • How to check ORA Error on DB Server – Beginner Tip
    • Working with Redo Logs
    • Decommission of Oracle Database
    • Roles in Oracle - Managing Users
    • Oracle Release Number Format
    • Troubleshooting Handy-Guide
    • Understanding the Upgradation Process
    • Query to find the session creating more redo
    • Audit in Oracle
    • Troubleshooting Internal Errors and Error-Look-up Tool on MOS
    • Troubleshooting Issues with Undo Tablespace
    • User Management
    • User Management - II
    • Data Pump Gets Better
    • MEMORY_TARGET Parameter
  • Must Read
    • Oracle 21c: INCLUDE and EXCLUDE in Data Pump
    • Behind the Scenes of COMMIT
    • Data Guard Redo Transport Encryption
    • Oracle 19C with ADG DML Redirection
    • 19c PDB Refreshable Clones
    • Solving the Mysterious Database Connection Timeouts
    • How to identify the applied patche-set of your Oracle Home
    • Topic need to get clear to become expert in Oracle DBA
    • Working with Redo Logs
    • Oracle Database Block corruption
    • What happens during Instance Recovery
    • Oracle Datapump Scenarios
    • Troubleshooting Issues with Undo Tablespace
    • General Tips to Prepare for an Oracle DBA Job Interview
    • RMAN Questions
  • How To..
    • Database Life for DBA..!!
    • Daily Activities of an Oracle DBA
    • What are the Daily a DBA do ?
    • How To Recompile Invalid Objects in Oracle
    • How To.. Queries
    • MEMORY_TARGET Parameter
    • Clear RAM Cache, Buffer
  • Postgres Admin
    • Installing PostgreSQL Server on CentOS, RHEL 6 / 7 Systems
    • Creating a database in Postgres
    • Initialize multiple Postgres instance on the same RHEL server
    • How to stop starting of clusters while starting up services
    • Setup a streaming replication
    • Switchover- master server and warm standby (with streaming replication)
    • All About Physical Replication and Log shipping
    • PostgreSQL Upgrade and troubleshooting
    • Timeline Switch issue
    • Query to identify the lag in replication
    • Drop table : ERROR: must be owner of relation table_name
    • PgBadger
    • PgCenter
    • PgTune
    • Internals of Toast Table
    • Influencing Query Execution Plan
    • Create Extension ERROR
    • Find Uptime in PostgreSQL
    • Set DB Timezone
    • Clear RAM Cache, Buffer
    • Read-Only User in Postgres
    • Everything you need to know about Streaming Replication
    • Ora2Pg Migrate Oracle to Postgres
    • Total Page Cost
    • PostgreSQL 13 - Everything you need to know
    • Startup Failure - .conf file
    • All About Postgres Upgrade
  • MySQL Admin
    • MySQL DB Installation and Administration
    • Setup Master and Slave replica (Same server)
    • MySQL : Flush Tables
    • Troubleshooting Replication
    • MySQL Cache
  • Oracle Tuning
    • Basic Guide
    • Session Related Scripts
    • AWR :: Beginners Guide
    • All About ASH - Active Session History
    • Wait Events : checkpoint busy waits or archiver busy waits
    • Find sessions performing sort operations : TEMP Tablespace occupants
    • Generate ADDM task and generate its report for Tuning
    • Database Performance Tuning Scripts -Keep Handy
    • Buffer Busy Wait
    • Simulating the Deadlock
    • Latches
  • RMAN
    • Steps to Schedule any RMAN Jobs In Windows Server
    • ORA-01194: file 1 needs more recovery to be consistent
    • Loss of Current Online Redo-Log
    • RMAN "baby Steps"
    • Recovery of ControlFiles
    • Loss of Datafile
    • Recovery from complete loss of all online redo log files
    • Block Change Tracking
    • RMAN Questions
    • Instance Recovery
    • Redundancy and Recovery window in RMAN
    • Cold Backup
    • Database Cloning
    • Contact
    • Drop Database using RMAN
    • PITR to older Incarnation
  • GoldenGate
    • Oracle GoldenGate - ADD CREDENTIALSTORE
    • Addressing Slow Goldengate Integrated Replicat Apply Process
    • Identifying Classic vs. Integrated Extracts
  • About Me
    • About Me

How To..

  • How To Take Backup Database Link In Oracle ?

  • How To add swap space on linux system ?

  • How to Enable auditing for SYSDBA (sys) user in 11gr2 ?

  • How to find Oracle Version?

  • How to Delete LOGFILE from older date in Linux ?



  • HowTo Change The Define IP In Linux ?
 


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Wonted thingie.. A techie, from a reputed company, who keeps worrying about the tweaking the sqls and Optimizer parameters, weekend maintenances, upgrades, support, and what not a DBA can do!! Yet trying to find some time to pen down the rushing thoughts as well as my technical experience, so that it could help others! At times me, people end up searching their own blogs :D
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Nikhil Kotak

ASM (22) Auditing (1) Core DBA (153) DataGuard (25) Datapump (9) Frequently Asked (40) Goldengate (3) Interview Questions (29) Logminer (1) Must Read (48) MySQL (5) PostgreSQL (53) RMAN (36) Tricks (1) Tuning (29) UNIX (9) Upgradation (1)


  • ASM
  • Core DBA
  • Dataguard
  • Interview
  • Frequently Asked
  • How To..
  • Postgres Admin
  • MySQL Admin
  • Tuning
  • Upgradation
  • RMAN
  • UNIX
  • About Me

PostgreSQL Administration

PostgreSQL Administration

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Wonted thingie.. A techie, from a reputed company, who keeps worrying about the tweaking the sqls and Optimizer parameters, weekend maintenances, upgrades, support, and what not a DBA can do!! Yet trying to find some time to pen down the rushing thoughts as well as my technical experience, so that it could help others! At times me, people end up searching their own blogs :D

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