Troubleshooting

Creating a new Pluggable Database (PDB) on a primary database is usually a routine task. However, in Oracle AI Database...

Errors like ASM metadata corruption can instantly put a DBA on high alert. When Oracle Automatic Storage Management (ASM) detects...

Upgrading an Oracle database using AutoUpgrade is usually smooth and predictable—but sometimes a single precheck can block the entire process....

When Oracle Enterprise Manager (EM) 13c suddenly refuses to start and throws the dreaded message “WebTier Could Not Be Started”,...

If you’ve ever run a simple command like: SQL> startup nomount; …and suddenly been hit with a wall of scary...

When creating a new database using the Database Configuration Assistant (DBCA) in Oracle Corporation Oracle Database 19c, one of the...

Overview While installing Oracle Database 19c on Oracle Linux 9 or Red Hat Enterprise Linux 9, DBAs often encounter the...

Patching Oracle Grid Infrastructure is a routine yet critical task for every DBA. While Oracle provides the powerful OPatchAuto utility...

When working with Oracle Database Data Guard, standby redo log (SRL) configuration is usually straightforward. But every DBA eventually runs...

Oracle databases handle large objects (LOBs) such as CLOB, BLOB, NCLOB, and SecureFiles efficiently, but when storage management is not...