统计计算机专业学生总人数的语法命令为( )
A、select*fromstudent
B、selectcount(*)fromstudent
C、selectcount(*)fromstudentwherezhuanye=’计算机专业’
D、selectcount(*)fromstudentwherezhuanyeis’计算机专业’
发布时间:2025-07-29 22:49:28
A、select*fromstudent
B、selectcount(*)fromstudent
C、selectcount(*)fromstudentwherezhuanye=’计算机专业’
D、selectcount(*)fromstudentwherezhuanyeis’计算机专业’