Re: REPLACE without overwriting non-NULL or non-specified columns

[Tom Byars]

Bjorn, I've had a long look at this and can now see what it's all about. The trouble is, I can't get it to work because every user defined variable I set returns NULL.

e.g.
SET @x=3;
SELECT @x;

Returns NULL. No matter what I call the variable or whether I set it to a string or number it returns NULL. Am I missing something?