智慧职教: 创建视图,保存所有借书逾期者名单。代码如下:create overduelistasselect reader.readerID,reader.name from reader where readerID (select from borrow where rtndate null and eprdate
智慧职教: 创建视图,保存所有借书逾期者名单。代码如下:create overduelistasselect reader.readerID,reader.name from reader where readerID (select from borrow where rtndate null and eprdate
以下语句除了查询满足条件的记录,还显示()表的所有记录。SELECT Reader.*,Borrow.ReaderIDFROM Reader LEFT OUTER JOIN Borrow ON Reader.ReaderID=Borrow.ReaderID A: Reader B: Borrow C: book
以下语句除了查询满足条件的记录,还显示()表的所有记录。SELECT Reader.*,Borrow.ReaderIDFROM Reader LEFT OUTER JOIN Borrow ON Reader.ReaderID=Borrow.ReaderID A: Reader B: Borrow C: book
智慧职教: 更新borrow表每条借书记录的eprdate(到期日期)。 borrow eprdate=timestampadd(day,(select maxdays from readertype where typeID in (select typeID from reader where reader.readerID=.)),brwdate);
智慧职教: 更新borrow表每条借书记录的eprdate(到期日期)。 borrow eprdate=timestampadd(day,(select maxdays from readertype where typeID in (select typeID from reader where reader.readerID=.)),brwdate);
The style of writing in this article is so beautiful, which made the reader please both to the eye and in the mind. A: pleases the reader B: please made the reader C: pleased the reader D: made the reader pleasant
The style of writing in this article is so beautiful, which made the reader please both to the eye and in the mind. A: pleases the reader B: please made the reader C: pleased the reader D: made the reader pleasant
中国知网(CNKI)的专用全文格式阅读器是( )。 A: CAJ Viewer B: Adobe Reader C: SS Reader D: Apabi Reader
中国知网(CNKI)的专用全文格式阅读器是( )。 A: CAJ Viewer B: Adobe Reader C: SS Reader D: Apabi Reader
A good introduction should A: . Start out by providing context to the issue B: . Orient the reader to your paper C: . Tell the reader what they need to know D: . Be interesting and applicable to the reader
A good introduction should A: . Start out by providing context to the issue B: . Orient the reader to your paper C: . Tell the reader what they need to know D: . Be interesting and applicable to the reader
以下关于Adobe Acrobat Reader的叙述哪些是正确的?() A: AAcrobat Reader是可以免费使用的软件 B: BAcrobat Reader必须得到Adobe授权才能免费使用 C: CAcrobat Reader可以在因特网上下载得到 D: DAcrobat Reader必须通过购买才能得到
以下关于Adobe Acrobat Reader的叙述哪些是正确的?() A: AAcrobat Reader是可以免费使用的软件 B: BAcrobat Reader必须得到Adobe授权才能免费使用 C: CAcrobat Reader可以在因特网上下载得到 D: DAcrobat Reader必须通过购买才能得到
A critical reader should:
A critical reader should:
According to the author, Second Nature is a good book because(). A: it appeals to the reader to study bioscience B: it sets reader probing into human cognition C: it interests the reader in spiritual activities D: it presents the advancement of natural science
According to the author, Second Nature is a good book because(). A: it appeals to the reader to study bioscience B: it sets reader probing into human cognition C: it interests the reader in spiritual activities D: it presents the advancement of natural science
为表Reader删除邮件地址email( )。 A: DROP COLUMN E-mail B: use table Reader DROP COLUMN E-mail C: ALTER TABLE Reader DROP COLUMN E-mail D: 其余选项全错
为表Reader删除邮件地址email( )。 A: DROP COLUMN E-mail B: use table Reader DROP COLUMN E-mail C: ALTER TABLE Reader DROP COLUMN E-mail D: 其余选项全错