Oracle DBA

Database block corruption is one of the most dreaded issues for any DBA. Whether caused by storage faults, memory glitches, or human error, corruption can lead to data loss or application downtime if not handled carefully. Oracle provides multiple tools and techniques to detect, validate, and repair corruptions, both in non-CDB and multitenant (CDB/PDB) environments. […]

Oracle Database 19c introduced a powerful feature for multitenant environments: the ability to run Automatic Database Diagnostic Monitor (ADDM) analysis on individual pluggable databases (PDBs). With ADDM analysis at the PDB level, administrators can now focus on specific performance issues within a single PDB, making it easier to tune and optimize performance in a multitenant […]