A.使用AND运算符选择满足所有选择条件的行
B.使用AND运算符选择满足任意选择条件的行
C.使用AND运算符否定满足选择条件的行
D.AND可以和其他逻辑运算符一起使用

A.Select* From Student
B.Select Name From Student
C.Select Name，Age，IDCard From Student
D.Select Name，Age，IDCard，Sex From Student

A.Delete Student‘20140001’
B.Delete Student“20140001”
C.Delete Student Where Number=‘20140001’"
D.Delete From Student Where Number=”20140001”"

A.将表达式分组
B.改变求值的次序
C.增加表达式的可读性
D.没有作用

A.Select* From Student Where Age>=20 ANDAge>=30
B.Select* From Student Where Age>=20 ANDAge<=30
C.Select* From Student Where Age BET WENN 20AND30
D.Select* From Student Where Age>=20&&Age>=30"

A、BETWEEN……AND……
B、>=
C、AND
D、NOT

A.Select*FromStudentWhereSex=’男’
B.Select*FromStudentWhereSex<>’女’
C.Select*FromStudentWhereSexLike’男’
D.Select*FromStudentWhereSexIn’男’

A.Select* From Student Where ZZMM=’党员’And ZZMM=’团员’
B.Select* From Student Where ZZMM=’党员’Or ZZMM=’团员’
C.Select* From Student Where ZZMM="党员"OrZ ZMM="团员"
D.Select* From Student Where ZZMM IN（’党员’，‘团员’）

A.Select* From Student Where Sex=’男’
B.Select* From Student Where Number NotIn（Select Number From Student Where Sex<>=’男’）
C.Select* From Student Where NumberIn（Select Numbe rFrom Student Where Sex=’男’）
D.Select* From Student Where Sex<>’男’

A.Select Count（1）From Student
B.Select Sum（*）From Student
C.Selec tAvg（*）From Student
D.Select Count（*）From Student

A.左外连接
B.右外连接
C.内连接
D.自身连接