Oracle 11g Review

Holds copies of data blocks read from data files to speed up retrieval.

Most versions of 11g reached "End of Life" in December 2020. Companies still using it are encouraged to upgrade to 19c or 23c for security. oracle 11g

Understanding Oracle 11g requires breaking down its core infrastructure into two interconnected concepts: the (physical files) and the Instance (memory and background processes). Holds copies of data blocks read from data

With one more command, the DBA "flashes back" the table to that exact moment. Understanding Oracle 11g requires breaking down its core

SELECT sql_id, sql_text FROM v$sql WHERE sql_id = (SELECT sql_id FROM v$session WHERE sid = <blocking_sid>);

The DBA would have to stop the database, find the latest backup tape, and perform a "Point-in-Time Recovery." This could take 6 hours, meaning the company loses a whole day of sales. The Oracle 11g Solution: Flashback Technology