问题描述
|
如何计算此查询的结果?
SELECT id FROM table1 where col1 like \'%abcd%\'
intersect
SELECT id from table2 where col2 like \'%efgh%\'
解决方法
SELECT COUNT(*) FROM
(
SELECT id FROM table1 where col1 like \'%abcd%\'
intersect
SELECT id from table2 where col2 like \'%efgh%\'
) I