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Master SQL, PostgreSQL, MySQL, MongoDB, and trending open-source databases. Learn optimization, design patterns, and best practices for modern data management.

323 articles
4 min read

Oracle GoldenGate GGSCI Commands

Oracle GoldenGate is a powerful tool for real-time data replication. To maintain data integrity and ensure smooth operation, it’s important to follow proper sequences…

5 min read

Oracle DB Patching: Key Steps

This document outlines the essential steps for Oracle Database patching. It covers pre-checks, patch installation instructions, and post-patching validations. Always refer to the README…

4 min read

Fast Recovery Area (FRA)

The Fast Recovery Area (FRA) is a centralized storage location in Oracle used to store all essential recovery-related files. It simplifies backup and recovery…

2 min read

Oracle Restore Points

Oracle Restore Points let you mark a point in time to which you can later flashback (rollback) your database quickly. Think of them as…

2 min read

Schema Object Count

Quick SQL queries to get the count of various objects (like tables, views, packages, etc.) in a specific Oracle schema — useful for monitoring…

2 min read

Extract DDL for Oracle Objects

This guide shows how to extract the CREATE statements (DDL) for common Oracle objects such as TABLE, VIEW, PROCEDURE, FUNCTION, PACKAGE, TRIGGER, DATABASE LINK,…

15 min read

Full DB Refresh

Pre Stuff on Source Database This phase is executed on the target database — the environment that is going to be refreshed (typically from…

6 min read

Oracle Schema Refresh

Schema Refresh copies or synchronizes one or more schemas from a source Oracle database to a target database. It may involve replacing tables and…

4 min read

Oracle Table Refresh

Table Refresh means updating or replacing one or more tables on a target database from a source database using Data Pump (expdp/impdp), minimizing downtime…

2 min read

.par File in Oracle Data Pump

A .par file is a plain text file used with Oracle expdp or impdp commands to pass parameters. It keeps your commands short, readable,…