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NVL

nvl​

nvl

description​

Syntax​

nvl(expr1, expr2)

If the value of expr1 is not null, expr1 is returned, otherwise expr2 is returned

example​

mysql> select nvl(1,0);
+--------------+
| nvl(1, 0) |
+--------------+
| 1 |
+--------------+

mysql> select nvl(null,10);
+------------------+
| nvl(NULL, 10) |
+------------------+
| 10 |
+------------------+

keywords​

NVL