题目详情
多选题 下面语句中,表示过滤条件是vend_id=1002或vend_id=1003的是()
A. selct * from products where vend_id=1002 or vend_id=1003
B. selct * from products where vend_id in(1002,1003)
C. selct * from products where vend_id not in(1002,1004)
D. selct * from products where vend_id=1002 and vend_id=1003

学科:数据库系统(本科)
时间:2025-01-06 22:49:47
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