【单选题】实现“查询与刘晨同系的学生信息(基于自身连接)”的SELECT语句为( )。
A.
SELECT S2.* FROM Student S1,Student S2 WHERE S1.Sdept=S2.Sdept AND S1.Sname='B.刘晨'
B.
SELECT S2.* FROM Student S1,Student S2 WHERE S1.Sname='刘晨'
C.
SELECT S2.* FROM Student S1 JOIN Student S2 ON S1.Sdept=S2.Sdept AND S1.Sname='刘晨'
D.
LECT S2.* FROM Student S1 JOIN Student S2 ON S1.Sdept=S2.Sdept OR S1.Sname='刘晨'
【单选题】展示类广告是目前常见的网络广告形式,下列哪些广告规格不属于 IAB 定义的展示类广 告标准(单位:像素)
【单选题】下列选项中,不属于当前企业开展新媒体 营销的主要载体有。
【单选题】" This house believes taking part in debating as an extra-curricular activity can help with applications to universities in the West". Which topic is it?
【简答题】下列语句功能实现什么?语音答题 备注: transInfo是银行信息表 transDate是你取钱或存钱时间
【单选题】实现“查询与刘晨同系的学生信息(基于自身连接)”的SELECT语句为()
A.
SELECT S2.* FROM Student S1,Student S2 WHERE S1.Sname=' 刘晨 '
B.
SELECT S2.* FROM Student S1 JOIN Student S2 ON S1.Sdept=S2.Sdept AND S1.Sname=' 刘晨 '
C.
SELECT S2.* FROM Student S1 JOIN Student S2 ON S1.Sdept=S2.Sdept OR S1.Sname=' 刘晨 '
D.
SELECT S2.* FROM Student S1,Student S2 WHERE S1.Sdept=S2.Sdept AND S1.Sname=' 刘晨 '
【单选题】展示类广告是目前常见的网络广告形式,下列哪些广告规格不属于IAB 定义的展示类广告标准(单位:像素):D
【简答题】油泵转速控制方式一般有( )、( )两种控制方式。