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【单选题】
Whenever I visited the old man, he _______ his garden.A.
has taken care of
B.
takes care of
C.
was taking care of
D.
took care of
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【简答题】图样中书写的数字和字母,分为A型和B型,A型字母的笔画宽度d应为字高h的(),字体的号数即字体的()
【简答题】字号指字体的 。图样中书写的数字和字母分为A型和B型,A型字母的笔画宽度d应为字高h的 。(1/14还是1/10)
【单选题】连接到scott用户下,如果需要给用户user_wb授予查询该用户下emp表的权限,下列写法正确的是()
A.
grant select to user_wb
B.
grant select on emp to user_wb
C.
grant update to scott
D.
grant select on emp to scott
【单选题】以 SYS 用户连接数据库时,要删除 SCOTT 用户下的 dept 表中的所有数据,应使用的语句是()
A.
delete dept
B.
delete scott.dept
C.
drop table scott.dept
D.
drop from scott.dept
【单选题】FLIGHT TIMETABLE FROM SHANGHAI TO NEW YORK Tue Dep. 08.07 Wed Dep. 09.08 Thurs Dep. 20.30 FROM NEW YORK TO SHAGNHAI Sat Dep. 14:35 Sun Dep. 23:40 You cannot fly to Shanghai from New York _____
A.
at night
B.
on weekdays
C.
at weekends
D.
FLIGHT TIMETABLE FROM SHANGHAI TO NEW YORK Tue Dep. 08.07 Wed Dep. 09.08 Thurs Dep. 20.30 FROM NEW YORK TO SHAGNHAI Sat Dep. 14:35 Sun Dep. 23:40 You cannot fly to Shanghai from New York _____
【单选题】在Oracle中，用ALTER将scott的口令改为hello，下列哪个是正确的？（ ）
A.
ALTER USER scott IDENTIFIED BY hello
B.
ALTER scott USER IDENTIFIED BY hello
C.
ALTER USER scott IDENTIFIED AS hello
D.
ALTER USER hello IDENTIFIED BY scott
【简答题】A．Mr. Scott. B．Mr. Scott's son. C．Mr. Scott's grandpa. D．Mr. Scott's father.
【简答题】字号指字体的 。图样中书写的数字和字母分为A型和B型,A型字母的笔画宽度d应为字高h的 。
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