为“部门”表增加一个“人数”字段,类型为整型,正确的语句是()。
ALTER TABLE部门ALTER人数I
B. ALTER TABLE部门ALTER FIELDS人数I
C. ALTER TABLE部门ADD人数I
D. ALTER TABLE部门ADD FIELDS人数I
到(35)题使用如下数据表。
部门(部门号C(2)、部门名称C(10) )
职工(部门号C(2)、职工号C(4)、姓名C(8)、基本工资N(7,2) )
检索有职工的基本工资大于或等于“11”部门中任意一名职工工资的“部门号”,正确的语句是()。
A. SELECT DISTmCT部门号FROM职工WHERE基本工资>=ANY; (SELECT基本工资FROM职工WHERE部门号="11")
B. SELECT DISTINC部门号FROM职工WHERE基本工资>=ALL; (SELECT基本工资FROM职工WHERE部门号="11")
C. SELECT DISTINCT部门号FROM职工WHERE基本工资>=ANY; (SELECT MAX(基本工资)FROM职工WHERE部门号="11")
D. SELECT DISTINCT部门号FROM职工WHERE基本工资>=ALL; (SELECT MIN(基本工资)FROM职工WHERE部门号="11")
Most people will probably think that literature is a form. of art that can be enjoyed without formal instruction. However, people with【C1】______knowledge of literature may miss a lot【C2】______reading a novel, short story, poem, play, or【C3】______These readers are comparable to the【C4】______at a football game who watch the game and【C5】______it without really understanding the complex movements【C6】______on the field. Although they may enjoy the【C7】______, many spectators watch only the ball【C8】______, missing entirely the contribution of other members【C9】______the total play as well as the intricacies(错综复杂)occurring within the【C10】______A person who understands football--【C11】______better yet, has played the game -- is more capable【C12】______judging when a team is playing well or【C13】______and is also likely to enjoy a "good" game more. The【C14】______is true of reading literature. Most people have read numerous【C15】______works, but many do not understand or【C16】______the author's skill in communicating. Just like those spectators of the football game, they can hardly enjoy a "good" book. This book【C17】______intended to help you learn to【C18】______attention not only on what happens, but on【C19】______it happens and how the author has【C20】______it -- to analyze and evaluate literary works so that you can fully experience and appreciate them.
【C1】
A. abundant
B. informal
C. necessary
D. limited