Troubleshooting
ORA-28000: The Account Is Locked – Why It Happens and How to Fix
ORA-28000 The Account Is Locked is a common Oracle authentication error that appears when a database user account is automatically...
How to Fix Broken Data Guard Log Shipping (Step-by-Step Oracle DBA Guide)
It’s 2 AM, and your monitoring system sends an alert: “Archive log gap detected between primary and standby database.” You...
ORA-04063 and ORA-00904 on “SYS.DBA_REGISTRY” Has Errors
Overview If you’ve ever encountered the dreaded ORA-04063 and ORA-00904 errors when querying the DBA_REGISTRY view in your Oracle Database,...
ORA-04031: Unable to Allocate Shared Memory – Causes, Fixes, and Prevention (Oracle DBA Guide)
ORA-04031: Unable to Allocate Shared Memory is one of those Oracle errors that can strike unexpectedly in production, often during...
How to Fix ORA-39181: Only Partial Table Data May Be Exported Due to Fine Grain Access Control in Oracle
When working with Oracle Data Pump (EXPDP), database administrators occasionally encounter a frustrating error message: ORA-39181: Only partial table data...
