读书人

数据库有关问题请解答!

发布时间: 2012-09-22 21:54:54 作者: rapoo

数据库问题,请各位高手解答!急!!!
数据库中有两个表,一个是resource,另一个是resinterview,他们都有字段email,我想将email相同的resinterview中的resinterviewId导入到resource表中的InterviewId字段中。注意,email有相同的也有不同的,需要将email相同的数据查出来。请问各位高手怎么写sql语句?

[解决办法]

SQL code
INSERT INTO resource            (interviewId)VALUES      (SELECT resinterviewId             FROM   resinterview             WHERE  email IN (SELECT email                              FROM   resinterview                              GROUP  BY email                              HAVING Count(email) >= 2))
[解决办法]
SQL code
--resource表select t.[email] from(select [email],count(*) cnt from [resource]group by [email]) twhere t.[cnt]>1------------------------resinterview表select t.[email] from(select [email],count(*) cnt from [resinterview]group by [email]) twhere t.[cnt]>1 

读书人网 >SQL Server

热点推荐