Tag: advantage database server

如何用WHERE子句中的SELECT语句编写SQL DELETE语句？

数据库：Sybase Advantage 11 在我寻求规范化数据，我试图删除从这个SELECT语句得到的结果： SELECT tableA.entitynum FROM tableA q INNER JOIN tableB u on (u.qlabel = q.entityrole AND u.fieldnum = q.fieldnum) WHERE (LENGTH(q.memotext) NOT IN (8,9,10) OR q.memotext NOT LIKE '%/%/%') AND (u.FldFormat = 'Date') ; 这是我提出的DELETE语句： DELETE FROM tableA WHERE (SELECT q.entitynum FROM tableA q INNER JOIN tableB u on (u.qlabel = q.entityrole AND […]