A.GRANT ADD DATA ON TABLE tab1 TO GROUP tom appgrp
B.GRANT INSERT TO USER tom, GROUP appgrp ON TABLE tab1
C.GRANT INSERT ON TABLE tab1 TO USER tom, GROUP appgrp
D.GRANT ADD DATA ON TABLE tab1 TO USER appgrp, GROUP tom
从供选择的答案中选出应填入英语文句中()的正确的答案。Applications put computers to practical business (A), but below the (B) it's the heart of an operating system the kernel that provides the technical wizardry to juggle multiple program, connect to networks and store (C) .A traditional kernel provides all the functions for applications. The kernel (D) memory, I/O devices and parcels out processor time.The kernel also supports security and fault (E), which is the ability to recover automatically when parts of the system fail.A: ① used ② use ③ apply ④ appliedB: ① earth ② bottom ③ table ④ surfaceC: ① graphics ② data ③ text ④ imageD: ① manages ② manage ③ managed ④ managingE: ① error ② question ③ tolerance ④ problem
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You’re going to have a quiz ( )by another two in the ( )month.A. followed,followedB. followed,followingC. following,followedD. following,following
正确的电子信箱地址是___A.www.baidu.comB.www@126.comC.name@tom@comD.user@sohu,com
在Mysql的授权表中,不受GRANT和REVOKE语句的影响的权限表是()。A.db权限表B.host权限表C.table_priv权限表D.user权限表
在SQL Server 2000中，某数据库中有角色Role和用户User，User是Role角色的成员，且只属于该角色。先对Table表给Role只授予SELECT和DELETE权限，并授予User对T表具有SELECT、UPDATE和DENY DELETE权限，则用户User对Table表可以执行的操作是______。
pageContext.setAttribute("user","tom");request.setAttribute("user","bob");显示"bob",则可以使用A.{request.getAttribute("user")}B.{param.user}C.{user}D.{requestScope.user}
YouissuethisSQLstatement:ALTERDATABASERENAMEFILE’／ORADATA／u02／user_data01.dbf’TO’／ORADATA／u04／user_data01.dbf’;WhatdoesthisSQLstatementdo?()A.Itupdatesthecontrolfilewiththenewlocationofthedatafile.B.Itupdatesonlythedatadictionarywiththenewlocationofthedatafile.C.Itchangesthelocationoftheuser_data01.dbffileintheoperatingsystem.D.Itchangesthelocationoftheuser_data01.dbffileintheoperatingsystemandupdatesthecontrolfilewiththenewlocationofthedatafile.
