Updating pl sql

Posted by / 01-Dec-2020 10:23

Updating pl sql

This events will alternates between BEFORE and AFTER row level triggers.

4) Finally the AFTER statement level trigger fires.

Output: Mesage Current_Date ------------------------------------------------------------ Before update, statement level 26-Nov-2008 Before update, row level 26-Nov-2008 After update, Row level 26-Nov-2008 Before update, row level 26-Nov-2008 After update, Row level 26-Nov-2008 After update, statement level 26-Nov-2008 The above result shows 'before update' and 'after update' row level events have occured twice, since two records were updated.In addition, my related problem was that only some of the columns were modified and many rows had no edits to these columns, so I wanted to leave those alone - basically restore a subset of columns from a backup of the entire table.If you want to just restore all rows, skip the where clause.This website provides you with a comprehensive PL/SQL tutorial that helps you learn PL/SQL quickly and easily with a lot of fun.PL/SQL stands for Procedural Language extensions to the Structured Query Language (SQL).

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