Dear all,
I have 2 numeric column a,b in my table.
I want to retrieve rows which a in range
x~y, but b not in this range. So I wrote
a SQL statement
select * from <table> where
( a > x and a < y ) and ( b < x or b > y )
But wrong result returned with this
statement. Is this SQL wrong?
Thanks for your help,
Vincent Chen
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