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单项选择题
A、InsertIntousers(id,user_namE.Valuee(100,"luhong")提示:id字段类型自动编号,因此,用户不能赋值
B、InsertIntousers(real_name,tel)Valuee("卢红","6545632")提示:user_name是主键必须赋值,但未赋值。
C、InsertIntousers(user_name,Email)Valuee("luhong","")提示:Email不是必填字段,但应该赋NULL值
D、InsertIntousers(user_name,Email)Valuee("luhong",NULL)
单项选择题
A、Select*formusersWherereal_name="张"Andsubmit_data<#2003-1-1#
B、Select*formusersWherereal_name="张"Orsubmit_data<#2003-1-1#
C、Select*formusersWherereal_namelike"张%"Andsubmit_data<#2003-1-1#
D、Select*formusersWherereal_namelike"张%"ORsubmit_data<#2003-1-1#
单项选择题
A、Select*formusersWhereuser_name=tutuAndsubmit_data<#2003-1-1#
B、Select*formusersWhereuser_name="tutu"Andsubmit_data<2003-1-1
C、Select*formusersWhereuser_name="tutu"Andsubmit_data<#2003-1-1#
D、Select*formusersWhereuser_name="tutu"Orsubmit_data<#2003-1-1#
单项选择题
A、60
B、90
C、300
D、以上都不对