2023年7月16日
pgsql COMP9311 23T2
摘要： 代写sql -- Q1: create or replace view Q1(subject_code) as SELECT code AS subject_code FROM Subjects JOIN OrgUnits ON Subjects.offeredBy = OrgUnits.id JO 阅读全文
posted @ 2023-07-16 19:28 HiEagle 阅读(77) 评论(0) 推荐(0)