【判断题】sql是MySQL专用的数据库查询语言。( )
【简答题】以下MySQL语句中,已知关系模式student(Sno,Sname,S,Sage,Sdept,Passwords),查询在student表中的分组记录,正确的是( )。A. SELECT sdept,COUNT(*) AS 人数 FROM student GROUP BY sdept; B. SELECT sdept AS 专业,AVG(sage) AS 平均年...
【简答题】完形填空。 Once there was a very brilliant,creative and educated man. He gained much while traveling throughout the world. 1 he lost his legs and left arm in a tragic accident,leaving only a finger and thu...
【判断题】jdbc:mysql://localhost:3306/student中,student表示访问的数据库名称。
【简答题】凉州词二首·其一 唐代:王之涣 黄河远上白云间,一片孤城万仞山。 羌笛何须怨杨柳,春风不度玉门关。 从军行七首·其四 唐代:王昌龄 青海长云暗雪山,孤城遥望玉门关。 黄沙百战穿金甲,不破楼兰终不还。 王之涣的凉州词二首·其一和王昌龄的从军行七首·其四,这两首诗在“景物描写”方面有什么异同?
【简答题】完形填空。 A young man was going to 1 his holiday in a mountain village. That night he stayed at a small hotel near the train station. 2 going to bed, he went to the owner of the hotel and said, 'Excuse me...