What's your use case? I've not heard of a like this done at table/sql level.
You could use stored procedures & dynamic SQL to achieve it though. On Thu, Nov 29, 2012 at 5:44 PM, Chris W <4rfv...@cox.net> wrote: > I have three tables, TableA, TableB, and TableC each has a unique ID > field, idA, idB, idC respectively each table also has a field called > 'Status'. The id field is always greater than zero. Now suppose I have > three variables A, B, and C. Two of them are zero and the other is a > valid ID for the corresponding table. Only I don't know which one. Is > there a way to write a single update statement that will update only the > one table that has the matching ID? I have tired a few different ideas but > none seem worth mentioning here since they all either update too many > records or don't update any records. > > Thanks for the help. > > Chris W > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/mysql > >
