Wadhah DAOUEHI

In Oracle Database 19c, Flashback Data Archive (FDA) — also known as Total Recall — … Read More →

In Oracle Database 19c, Flashback Database allows you to rewind your database to a previous … Read More →

When working with Flashback Transaction Query in Oracle 19c, retrieving the UNDO_SQL column is essential … Read More →

Accidental bulk updates are a common problem in production databases. In this example, we’ll explore … Read More →

Accidental table drops are one of the most common mistakes in production databases. Fortunately, Oracle … Read More →

In Oracle Database 19c, when you don’t just want the old value at one moment—but … Read More →

In mission-critical systems running on Oracle Database 19c, accidental updates are common — especially salary … Read More →

When you change UNDO_RETENTION in Oracle Database 19c, you must ensure that your UNDO tablespace … Read More →

Managing UNDO correctly in Oracle Database 19c is critical for transaction consistency, read consistency, flashback … Read More →

In Oracle Database 19c, REFRESH FAST ON COMMIT allows a Materialized View (MV) to be … Read More →