Abbreviations and Definitions in MySQL

Abbreviations and Definitions in MySQL   DMR ==> Development Milestone Release RC ==> Release Candidate GA ==> General Availability (Release) DMG Packages ==> (Native Packages) A file that is used

Abbreviations in PostgreSQL database

Abbreviations in PostgreSQL database. WAL  buffers ==> write ahead log buffers psql command ==> postgreSQL command CRUD operations ==> Create, Read, Update, Delete MCC or MVCC ==> Multiversion concurrency control

Oracle commands Vs PostgreSQL commands

  Oracle commands Vs PostgreSQL commands Feature/command Oracle Commands PostgreSQL Commands  Switch connection to a new database SQL>alter session set container=pdb1;  postgres=# \c test1  List available databases SQL> show pdbs

Oracle RAC DBA Interview Questions

Oracle RAC DBA Interview Questions. Question Which daemon is used to ensure the time synchronization between RAC nodes? Answer ctssd  — Oracle Cluster Time Synchronization daemon Question On a rac

Oracle Data Guard Interview Questions

Oracle Data Guard Frequently Asked Questions (FAQ). Question What is meant by real time apply in DataGuard  environment? If the transactions from Primary to secondary are applied by using the

Converting a Snapshot Standby DB to Physical Standby

Converting a Snapshot Standby database into a Physical Standby Database. Step 1 verify open mode of database (it should be in read write) SQL>select open_mode from v$database; SQL> conn sys/oracle@standby

Converting physical standby DB to snapshot standby

Managing Snapshot standby database in Oracle. In this article we will see step by step procedure to convert physical standby database to snapshot standby database. At Standby database Step 1.

Oracle GoldenGate Scenario: Cascading replication

Cascading replication by using Oracle GoldenGate. 1. Scenario: 1.1.    Creating a Cascading Reporting Configuration Oracle GoldenGate supports cascading synchronization, where Oracle GoldenGate propagates data changes from the source database to

Errors and Solutions in Oracle GoldenGate Setup

Errors and Solutions in Oracle GoldenGate Setup. Errors and solution    1.ERROR: GGSCI (ol6-GG-sys1.localdomain) 3> start extract DPUMP_NR Sending START request to MANAGER … ERROR: opening port for MGR MGR

Oracle GoldenGate Bidirectional Replication Setup

Oracle GoldenGate Bidirectional Replication Setup. 1. Scenario 2: Bidirectional replication Summary of the software / configuration items would be as given in below table. SNo Software/Configuration Item Value @ Site