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1,796 Pointswhat is the difference between "IS" to "=" sign ?
I did not really understand the difference between "IS" to "=" sign. If someone can explain it to me it will be grate. Thank you.
1 Answer
Steven Parker
231,269 PointsJust remember "IS
" is for NULL
.
If you're testing values, you would use the comparison operators, including "=".
But you can't make comparisons using NULL
. So you might test if a column IS NULL
or IS NOT NULL
.
dvir abuksis
1,796 Pointsdvir abuksis
1,796 PointsOk now i got it. Thank you.