One of the interesting aspects of working with data is how every person can look at the same thing and come to different conclusions. No one is right or wrong but a good visualization will lead to good decision-making. One of the leading data visualization patterns is pivoting and pivoting is everyone’s first choice when … Continue reading Oracle – Data Visualization Of DateTime Stamps – The Big Picture 24-hour View By Date Using PIVOT
In an earlier post, we saw how Oracle’s UNDO works in very basic terms. REDO is another critical aspect that goes hand in hand with UNDO. Let us get the basics of REDO sorted out here. UNDO and REDO In its most basic sense UNDO is information saved to get back in case a ROLLBACK … Continue reading Oracle REDO – A Basic Explanation
The v$session view If you do not know already, to check who is connected and since when, what their connection status is etc., you would use dynamic view v$session. The view has the following columns: You would kill the required session by issuing Note: The IMMEDIATE option of the above command just returns control … Continue reading Oracle – My KILL’ed Session Continues To Stay On In KILLED Status, Why?