#dba

Articles tagged with #dba

Aug 6, 2026
Aug 6, 20267 min read40 views
Migrating Oracle LOBs from BasicFile to SecureFiles: A Field Guide
Notes from a real production migration on Oracle Standard Edition 2, ahead of a 12c → 19c upgrade. BasicFile is Oracle's original LOB storage mechanism, predating 11g. SecureFiles has been the default
7 min read40 views
Aug 6, 2026
Aug 6, 20265 min read49 views
Cloning a Pluggable Database (PDB) Across CDBs via Database Link
Applies to: Oracle Database 19c (Standard/Enterprise Edition), multitenant architecture Status: Draft / Verified in test Overview This runbook documents cloning a source PDB into a new target PDB usi
5 min read49 views

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