DBA Scripts

Oracle DBMS_FLASHBACK Enable At Time: Session Flashback Guide Oracle's DBMS_FLASHBACK.ENABLE_AT_TIME is a powerful procedure that lets you travel back in time within your database session — letting you query data exactly as it existed at a specific past moment, without needing a full database restore. What This Code …

Export an Oracle Database from a Point in Time Using FLASHBACK_TIME The Oracle exp utility supports a FLASHBACK_TIME parameter that lets a database administrator export a full database with all data consistent to a single point in time. This is critical for large, active databases where export duration may span minutes …

Oracle RMAN REPORT SCHEMA Command: Display Database Files Purpose The REPORT SCHEMA command is an essential Oracle RMAN (Recovery Manager) tool that displays comprehensive information about all database files in your Oracle database. This command provides database administrators with a quick view of the current …

Oracle RMAN Delete Obsolete - Remove Unneeded Backups The DELETE OBSOLETE command in Oracle RMAN (Recovery Manager) is a powerful maintenance tool that automatically removes backup files that are no longer needed for database recovery. This command helps database administrators manage storage space by deleting backups …

Oracle Database Log Destinations Monitoring Script for Data Guard Purpose This Oracle SQL script monitors all log destinations in a Data Guard configuration from the primary database. The query provides real-time information about archive log destinations, their status, operational modes, and standby redo log activity. …

How to Check Physical Standby Database Synchronization Physical standby databases in Oracle Data Guard need regular monitoring to ensure they stay synchronized with the primary database. The most effective way to check synchronization status is by comparing the current sequence number on the primary database with the …

Register Missing Log File in Oracle Database The ALTER DATABASE REGISTER PHYSICAL LOGFILE command is used to manually register archived redo log files in an Oracle Data Guard environment, specifically for physical standby databases. This command becomes essential when automatic log registration fails or when gaps occur …

Oracle AWR Create Baseline for Performance Monitoring DBMS_WORKLOAD_REPOSITORY.CREATE_BASELINE What is Oracle AWR Create Baseline The DBMS_WORKLOAD_REPOSITORY.CREATE_BASELINE procedure creates a baseline by preserving a specific range of AWR snapshots for future performance comparisons. A baseline protects performance …

Oracle Statspack Automation: Scheduling Hourly Database Performance Snapshots Oracle Statspack automation provides database administrators with continuous performance monitoring capabilities through scheduled snapshot collection. The spauto.sql script enables automated hourly snapshots that capture essential database …

Oracle Database Statspack Snapshot Purge Script: Complete Guide to sppurge Administration The Oracle Database @?/rdbms/admin/sppurge; command is a critical administrative script used to delete old Statspack snapshots and manage storage space in the PERFSTAT schema. This comprehensive guide explores the purpose, …