学生表(id,name,sex,age,depart_id,depart_name),存在函数依赖是id→name,sex,age,depart_id;dept_id→dept_name,其满足
学生表(id,name,sex,age,depart_id,depart_name),存在函数依赖是id→name,sex,age,depart_id;dept_id→dept_name,其满足
学生表(id,name,sex,age,depart_id,depart_nam..._id→dept_name,其满足()。
学生表(id,name,sex,age,depart_id,depart_nam..._id→dept_name,其满足()。
查询信息技术系,机电工程系和管理系的学生的信息,所使用的语法命令( ) A: select * from student where depart in(”信息技术系”,”机电工程系”,”管理系”) B: select * from student where depart in(’信息技术系’,’机电工程系’,’管理系’) C: select * from student where depart=”信息技术系”and depart=”机电工程系”and depart=”管理系” D: select * from student where depart=’ 信息技术系’ and depart=’ 机电工程系’ and depart=’ 管理系’
查询信息技术系,机电工程系和管理系的学生的信息,所使用的语法命令( ) A: select * from student where depart in(”信息技术系”,”机电工程系”,”管理系”) B: select * from student where depart in(’信息技术系’,’机电工程系’,’管理系’) C: select * from student where depart=”信息技术系”and depart=”机电工程系”and depart=”管理系” D: select * from student where depart=’ 信息技术系’ and depart=’ 机电工程系’ and depart=’ 管理系’
查询不在信息技术系,机电工程系和管理系的学生的信息,所使用的语法命令为( ) A: select * from student where depart not in(’信息技术系’,’机电工程系’,’管理系’) B: select * from student where not depart=’ 信息技术系’ and depart=’ 机电工程系’ and depart=’ 管理系’ C: select * from student where not depart in(”信息技术系”,”机电工程系”,”管理系”) D: select * from student where not depart=”信息技术系”and depart=”机电工程系”and depart=”管理系”
查询不在信息技术系,机电工程系和管理系的学生的信息,所使用的语法命令为( ) A: select * from student where depart not in(’信息技术系’,’机电工程系’,’管理系’) B: select * from student where not depart=’ 信息技术系’ and depart=’ 机电工程系’ and depart=’ 管理系’ C: select * from student where not depart in(”信息技术系”,”机电工程系”,”管理系”) D: select * from student where not depart=”信息技术系”and depart=”机电工程系”and depart=”管理系”
There are notices showing arrivals and (depart)______of trains near the booking-office.
There are notices showing arrivals and (depart)______of trains near the booking-office.
The train will depart from Platform 2 at 3:45 on Tuesday morning.
The train will depart from Platform 2 at 3:45 on Tuesday morning.
If we want to describe to leave,we can use abandon/depart/desert
If we want to describe to leave,we can use abandon/depart/desert
When will the train ____ from the station? A: start B: commence C: leave D: depart
When will the train ____ from the station? A: start B: commence C: leave D: depart
When will the train ____ from the station? A: begin B: depart C: commence D: start
When will the train ____ from the station? A: begin B: depart C: commence D: start
When will the train ____ from the station A: egin B: depart C: commence D: start
When will the train ____ from the station A: egin B: depart C: commence D: start