Oracle Tutorials
Step-by-step guides, migration strategies, and backup best practices for Oracle DBAs.
on
Jun 4, 2026
Applying an Oracle Release Update (RU) is only half the job. Did you know that new Cost-Based Optimizer (CBO) fixes are disabled by default? Discover how to use the built-in DBMS_OPTIM_BUNDLE package to safely enable execution plan improvements and maximize your database performance.
on
Mar 28, 2026
Need to migrate an Oracle Pluggable Database (PDB) but have no database link, and the source is in NOARCHIVELOG mode? Learn how to perform an offline "Cold Clone" using XML metadata and file copying, without permanently unplugging your production database.
on
May 28, 2026
Struggling with queries that run perfectly on test but crawl in production? Discover a proven, step-by-step DBA guide to copy and pin fast SQL Plan Baselines between Oracle databases—even if you are limited to Oracle Standard Edition!
