Hello,
QUESTION1: Can somebody clarify in what of the proposed scenarios is the
following index used? Any further comment will be greatly appreciated.
QUESTION2: Does any other scenarios when an index is NOT used (and someone
might possibly expect it is used) come to your mind? Thank you v
Well, I should have been more specific and not use such a simplified
example, which only lead you into wrong direction. What I am really tried
to solve instead of
UPDATE myFirstTable SET (fistCol, secCol) = ( SELECT anotherFistCol,
anotherSecondCol FROM mySecondTable )
is this:
x
Hello,
I am facing the following problem, nothing tough, I guess (hope)..think it
should be some syntactical problem:
1. When trying to update two columns
UPDATE myFirstTable SET (fistCol, secCol) = ( SELECT anotherFistCol,
anotherSecondCol FROM mySecondTable )
I am getting: ERROR: s