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MySQL 8.0
ISNULL
Syntax:
ISNULL(expr)
If expr is NULL, ISNULL() returns 1, otherwise it returns 0.
mysql> SELECT ISNULL(1+1);
-> 0
mysql> SELECT ISNULL(1/0);
-> 1
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MySQL 8.0
Syntax:
ISNULL(expr)
If expr is NULL, ISNULL() returns 1, otherwise it returns 0.
mysql> SELECT ISNULL(1+1);
-> 0
mysql> SELECT ISNULL(1/0);
-> 1