Blog

Blog includes how-to articles, ORA error fixes, troubleshooting tips, and hands-on insights for day-to-day Oracle DBA tasks.

how-to-fix-ora-00959-tablespace-does-not-exist

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How to Fix ORA-00959: Tablespace ‘TEST_TBS’ Does Not Exist

June 27, 2025June 27, 2025

delete-multiple-lines-vi-editor

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How to Delete Multiple Lines in vi Editor

June 24, 2025June 24, 2025

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How to Fix “ORA-28011: the account will expire soon; change your password now”

June 20, 2025June 24, 2025

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How to Fix ORA-31696 When Using DIRECT_PATH Import in Oracle Data Pump

June 16, 2025June 23, 2025

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How to Check If Your Oracle Database Is Multitenant (CDB or non-CDB)

June 16, 2025June 16, 2025

automate-oracle-home-inventory-backup-restore

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Automate ORACLE_HOME and Oracle Inventory Backup (with One-Click Restore) Before Patching

May 27, 2025June 4, 2025

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How to Backup Oracle oratab, .bash_profile, and Environment Variables

May 27, 2025June 4, 2025

backup-restore-oracle-home-binaries-inventory

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How to Backup and Restore ORACLE_HOME Binaries and Oracle Inventory Before Patching

May 26, 2025June 4, 2025

why-fast-queries-slow-down-oracle-execution-plan-changes

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Why Fast Queries Suddenly Slow Down — And What Causes Execution Plan Changes in Oracle

May 23, 2025June 4, 2025

failover-to-standby-database

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How to Open the Standby Database When the Primary Is Lost

May 20, 2025June 4, 2025

oracle-tablespace-export-import-between-databases

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How to Perform Tablespace-Level Export/Import Between Two Oracle Databases

May 20, 2025June 4, 2025

oracle-tablespace-export-import

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How to Perform Tablespace-Level Export/Import Within the Same Oracle Database

May 20, 2025June 4, 2025