【单选题】
[1/482]User USER1 wants to retrieve records from a table named EMPLOYEE that satis...
A.
SELECT * FROM employee WHERE (hiredate < '1999-01-01' AND salary < 40000) OR (education =
'University')
B.
SELECT * FROM employee WHERE (hiredate < '1999-01-01') OR (salary < 40000) OR (education =
'University')
C.
SELECT * FROM employee WHERE (hiredate < '1999-01-01' OR (salary < 40000 AND (education =
'University')
D.
SELECT * FROM employee WHERE (hiredate < '1999-01-01' AND salary < 40000 AND (education =
'University')
参考答案:
A
参考解析:
无
【单选题】
[2/482]What is the purpose of a role?
A.
To define exactly what a specific user can do within a particular database once they have been authenticated.
B.
To group a collection of privileges together so that they can be simultaneously granted to and revoked from multiple users.
C.
To establish a credible relationship between DB2 and an external entity, such as a database administrator or a middleware server.
D.
To group a collection of users together so that they can be simultaneously granted and revoked specific authorities and privileges.
参考答案:
B
参考解析:
无
【单选题】
[3/482]在Word的编辑状态,打开了w1.docx文档,若要将经过编辑后的文档以“w2.docx”为名存盘,应当执行“文件”选项卡中的命令是____。
参考答案:
C
参考解析:
无
【单选题】
[4/482]字符a对应的ASCII码值是____。
参考答案:
C
参考解析:
无
【单选题】
[5/482]Which DB2 object is associated with PREVIOUS VALUE and NEXT VALUE expressio...
参考答案:
C
参考解析:
无
【单选题】
[6/482]计算机进行数值计算时的高精确度主要决定于____。
参考答案:
D
参考解析:
无
【单选题】
[7/482]在Word的编辑状态,进行字体设置操作后,按新设置的字体显示的文字是____。
参考答案:
B
参考解析:
无
【单选题】
[8/482]若使幻灯片播放时,从“盒装展开”效果变换到下一张幻灯片,需要设置____。
参考答案:
C
参考解析:
无
【单选题】
[9/482]在Excel2010中,从工作表中删除所选定的一列,则需要使用“开始”选项卡中的____。
参考答案:
A
参考解析:
无
【单选题】
[10/482]Which data type should be used to store data in a column that represents mo...
参考答案:
D
参考解析:
无