多选题:假设orders表中共有100条记录,下面检索结果不止一行记录的命令是:
假设Student表中共有100条不一样的记录,下面检索结果不止一行记录的命令是:
A.select distinct * from Student;
B.select COUNT(*) from Student;
C.select TOP 1 * from Student;
D.select TOP 10 PERCENT * from Student;
answer:A D
A.select distinct * from Student;
B.select COUNT(*) from Student;
C.select TOP 1 * from Student;
D.select TOP 10 PERCENT * from Student;
answer:A D