Dear All,
Just to repeat that the SQL order of operation is not up to the
end-interpreter
nor it is from left to right, but there is a clear precedence.
In SQL-92 first the parenthesis are evaluated, then the precedence is: IS, NOT, AND, OR and left to right for operators at the same level
Alberto
PS: That was already mentioned in http://www.ivoa.net/forum/voql/0321.htm
Received on 2004-03-04Z11:13:18