DBMS_FLASHBACK

Oracle DBMS_FLASHBACK Enable At Time: Session Flashback Guide Oracle's DBMS_FLASHBACK.ENABLE_AT_TIME is a powerful procedure that lets you travel back in time within your database session — letting you query data exactly as it existed at a specific past moment, without needing a full database restore. What This Code …

Overview When working with Oracle Database, there are times when you need to look at data from the past — like rewinding a video to see what happened earlier. Oracle gives you a tool called Flashback to do this. But once you are done looking at past data, you must turn Flashback off. The command to do that is: 1EXEC …

How to Find the Current SCN in Oracle Database Using DBMS_FLASHBACK What number marks "now" inside an Oracle database? The System Change Number (SCN) does. One call to DBMS_FLASHBACK.GET_SYSTEM_CHANGE_NUMBER returns it from any session that has EXECUTE on the package. What Is an SCN? The System Change Number (SCN) is a …

How to Search for Objects in Oracle Database This post explains how to search for objects (tables, views, sequences, etc.) in an Oracle database using SQL. Sample SQL Command 1set pages 999 2col owner format a15 3col object_name format a40 4col object_type format a20 5select owner 6, object_name 7, object_type 8from …