摘要: DATABASE TEST6 6-1 CREATE VIEW test6_01 AS SELECT sid,name,age,dname FROM pub.student WHERE age < 20 AND dname = '物理学院' ORDER BY sid 6-2 CREATE TABLE 阅读全文
posted @ 2021-10-21 12:18 sora_013 阅读(31) 评论(0) 推荐(0) 编辑