摘要:
select package_id result1 from PACKAGE where package_id not in(select package_id from PACKAGE where package_id in (select package_id from WORK_PLAN_SUM)); select package_id result2 from PACKAGE ... 阅读全文
摘要:
其中PACKAGE 为主表,package_id为num型自增ID。package_id被一堆表引用。我要找出所有没有被引用的package_id。在Oracle下用这句是对的。select package_id from PACKAGE where package_id not in( select package_id from PACKAGE where package_id i... 阅读全文