-1

我想知道如何编写SQL语句来判断A表的行数等于B表的行数？

4

2 回答 2

2

查询以下

SELECT 1
FROM 
   (SELECT COUNT(1) TOTAL_A FROM A) TABLE_A_COUNT,
   (SELECT COUNT(1) TOTAL_B FROM B) TABLE_B_COUNT
WHERE TABLE_A_COUNT.TOTAL_A = TABLE_B_COUNT.TOTAL_B

如果计数匹配，它将返回一行。

于 2013-07-12T07:45:29.497 回答
0 
if (select count(*) from a) = (select count(*) from b)
begin
    :
end
于 2013-07-12T07:45:23.953 回答