Sql 表的两列之和,不显示NULL
我想对一个表的两列求和,但不显示NULL。这是我写的Sql 表的两列之和,不显示NULL,sql,sql-server,Sql,Sql Server,我想对一个表的两列求和,但不显示NULL。这是我写的 SELECT (sal+comm) AS [revenue total] FROM pilote 但当其中一列为空时,即使sal中有值,新列“revenue total”也会显示空 SELECT ISNULL(sal,0) + ISNULL(comm,0) AS [revenue total] FROM pilote
SELECT (sal+comm) AS [revenue total] FROM pilote
但当其中一列为空时,即使sal
中有值,新列“revenue total”也会显示空
SELECT ISNULL(sal,0) + ISNULL(comm,0) AS [revenue total] FROM pilote