A.database tier
B.application tier
C.client (desktop) tier
D.both database tier and application tier
第1题:
Yourtnsnames.orafilehasthefollowingentryfortheservicealiasORCL:ORCL=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=10.156.24.216)(PORT=1521))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=orcl.oracle.com)))TheTNSPINGcommandexecutessuccessfullywhentestedwithORCLbutyouarenotabletoconnecttothedatabaseinstancewiththefollowingcommand:SQL>CONNECTscott/tiger@orclWhatcouldbethereasonforthis?()
A.Thelistenerisnotrunningattheserver.
B.TheTNS_ADMINenvironmentalvariableissettoawrongvalue.
C.Theorcl.oracle.comdatabaseserviceisnotregisteredwiththelistener.
D.TheDEFAULT_DOMAINparameterissettoawrongvalueintheSQLNET.ORAfile.
第2题:
在Oracle中,将scott的缺省表空间改为data2_ts,下列哪个是正确的?()
A、ALTER USER scott DEFAULT TABLESPACE data2_ts
B、ALTER DEFAULT TABLESPACE data2_ts USER scott
C、ALTER USER scott TABLESPACE DEFAULT data2_ts
D、ALTER scott USER DEFAULT TABLESPACE data2_ts
第3题:
“E-Business”和“E-commerce”都翻译为“电子商务”,其中,相对而言属于“广义电子商务”概念的是E-Business
第4题:
如何重一个oracle数据库中备份一个数据库然后到另一个oracle还原正常运行用 exp emas/emras@orcl file=c:\data.dmp owner=(users)这样只能拷贝数据和表结构是吧怎么吧创建用户和表空的语句导出来 呢?
第5题:
第6题:
利用object元素在网页中嵌入flash,flash文件的地址为“mediawonderful.swf”,要求flash动画的宽度和高度分别为500像素,能实现该要求的选项为()。
A.<object height="500" width="500" src="mediawonderful.swf" type="application/x-shockwave-flash"/>
B.<object height="500" width="500" href="mediawonderful.swf" type="application/x-shockwave-flash"/>
C.<object height="500" width="500" data="mediawonderful.swf" type="application/x-shockwave-flash"/>
D.<object height="500" width="500" data="mediawonderful.swf" />