一个正确的URL是()A、 http//www.swufe.edu.cn/temp/zzz.htmB、 http:/www.swufe.edu.cn/temp/zzz.htmC、 http://www.swufe.edu.cn/temp/zzz.htmD、 http://www.swufe.edu.cn/temp/zzz.htm
一个正确的URL是()
- A、 http//www.swufe.edu.cn/temp/zzz.htm
- B、 http:/www.swufe.edu.cn/temp/zzz.htm
- C、 http://www.swufe.edu.cn/temp/zzz.htm
- D、 http://www.swufe.edu.cn/temp/zzz.htm
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假设temp.dbf数据表中有两个字段“歌手号”和“最后得分”。下面程序段的功能是:将temp.dbf中歌手的“最后得分”填入“歌手”表对应歌手的“最后得分”字段中(假设已增加了该字段)。在下划线处应该填写的SQL语句是 ______。 USE歌手 DO WHILE.NOT.EOF() _________________ REPLACE歌手.最后得分WITH a [2] SKIP ENDDOA.SELECT*FROM temp WHERE temp.歌手号=歌手.歌手号TO ARRAY aB.SELECT*FROM temp WHERE temp.歌手号=歌手.歌手号INTO ARRAY aC.SELECT*FROM temp WHERE temp.歌手号=歌手.歌手号TOFILEaD.SELECT*FROM temp WHERE temp.歌手号=歌手.歌手号INTO FILE a
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设在SQL Server 2008中,用户U1在DB1数据库中创建了#Temp表。下列关于#Temp表的说法中,正确的是( )。A.只有在创建#Temp表的连接中才可以查询#Temp表数据B.在所有用户U1发起的连接中,都可以查询#Temp表数据C.在创建#Temp表的连接未断开时,DBl数据库的所有用户都可以查询#Temp表数据D.在创建#Temp表的连接断开时,DBl数据库的所有用户仍可以查询#Temp表数据
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用户在WWW浏览器的地址栏内输入了一个如下的URL: http://www.swufe.edu.cn/index.htm 其中,“www.swufe.edu.cn”代表 ______。A.协议类型B.主机名C.路径及文件名D.都不对
设在SQL Server 2008中,用户U1在DB1数据库中创建T#Temp表。下列关于#Temp表的说法,正确的是( )。A.只有在创建#Temp表的连接中才可以查询#Temp表数据B.在所有用户U1发起的连接中,都可以查询#Temp表数据C.在创建#Temp表的连接未断开时,DB1数据库的所有用户都可以查询#Temp表数据D.在创建#Temp表的连接断开后,DBl数据库的所有用户仍可以查询#Temp表数据
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在www浏览器的URL中,为非法表达式A.http://www.cernet.edu.cnB.d://\\temp\\xyz.htmC.file://c:\\office\\abc.docD.happyuser@center.njtu.edu.cn
Twenty database users are connected to your database. Five of the users are running long queries involving sort operations. The TEMP tablespace is the default temporary tablespace for your database. You are performing offline tablespace backups of individual tablespaces and erroneously execute the following statement: SQLALTER TABLSPACE temp OFFLINE NORMAL; What is the result of this statement?()A、 The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected after their queries complete.B、 The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected and must re-execute their queries.C、 The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are not disconnected, but these users must re-execute their queries.D、 The TEMP tablespace is not taken offline. The users using the TEMP tablespace for sorting are not disconnected, and their queries execute successfully.
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Your database contains two temporary tablespaces named TEMP and TEMP1. The TEMP tablespace is the default temporary tablespace for the database, and the TEMP1 tablespace was created at database creation. You want to increase the size of the tempfile for the TEMP tablespace and drop the TEMP1 tablespace from the database. The database is not using Oracle-Managed Files (OMF). Which statement must you use to ensure that when you drop the TEMP1 tablespace from the database, its corresponding operating system file is also deleted?()A、 DROP TABLESPACE temp1;B、 DROP TABLESPACE temp1 INCLUDING CONTENTS;C、 DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES;D、 DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS;
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单选题一个正确的URL是()A http//www.swufe.edu.cn/temp/zzz.htmB http:/www.swufe.edu.cn/temp/zzz.htmC http://www.swufe.edu.cn/temp/zzz.htmD http://www.swufe.edu.cn/temp/zzz.htm
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单选题Your database contains two temporary tablespaces named TEMP and TEMP1. The TEMP tablespace is the default temporary tablespace for the database, and the TEMP1 tablespace was created at database creation. You want to increase the size of the tempfile for the TEMP tablespace and drop the TEMP1 tablespace from the database. The database is not using Oracle-Managed Files (OMF). Which statement must you use to ensure that when you drop the TEMP1 tablespace from the database, its corresponding operating system file is also deleted?()A DROP TABLESPACE temp1;B DROP TABLESPACE temp1 INCLUDING CONTENTS;C DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES;D DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS;