已知SQL语句“select count（‘每人的工资’) from table group by 部门”该SQL语句的意思是（)

A.SELECTcount(*)fromEmployees

B.SELECTcount(ALLRegion)fromEmployees

C.SELECTcount(DistinctRegion)fromEmployees

D.SELECTsum(ALLRegion)fromEmployees

A.SELECT*FROM教师WHERE工资BETWEEN2000AND3000

B.SELECT*FROM教师WHERE工资＞2000AND工资＜3000

C.SELECT*FROM教师WHERE工资＞2000OR工资＜3000

D.SELECT*FROM教师WHERE工资＜=2000AND工资＞=3000

A.一条SQL语句可以对多个表进行更新操作

B.一条SQL语句可以在一个表中插入多条元组

C.一条SQL语句可以修改一个表中的多条元组

D.一条SQL语句只能对一个表进行更新操作

A.SQL*Plus

B.SQLDeveloper

C.OracleSQLDeveloper

D.PL/SQL

A.数据定义语句

B.数据操纵语句

C.数据控制语句

D.数据查询语句

A.寻找可能存在SQL注入漏洞的链接

B.测试是否有SQL注入漏洞

C.构造注入语句

D.数据库拒绝注入语句

A.Useruser=(User)runner.query(sql,newBeanListHandler(User.class),newObject[]{id});

B.Useruser=(User)runner.query(sql,newBeanHandler(User.class));

C.Useruser=(User)runner.query(sql,newBeanListHandler(User.class),id);

D.Useruser=(User)runner.query(sql,newBeanHandler(User.class),newObject[]{id});