单项选择题
Thesystemanalystshaverequestedheavyuseofobjectfeatures.ThedatabasedesignmakesuseofPL／SQL8objecttypes,methods,andLOBtypes.Howdoyouworkwiththesefeaturesontheclient?（）
- A.Writeclient-sidesubprogramscontainingthePL/SQL8constructs,andmovethemintoanobjectgroup.
B.Writeserver-sidesubprograms,andcallthesubprogramsfromtheformapplication.
C.StorethePL/SQL8constructsinaPL/SQLlibrary,andattackthelibrarytoeachformmuddleinyourapplication.
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Given：fooandbararepublicreferencesavailabletomanyotherthreads.fooreferstoaThreadandbarisanObject.Thethreadfooiscurrentlyexecutingbar.wait（）.Fromanotherthread，whatprovidesthemostreliablewaytoensurethatfoowillstopexecutingwait（）？A.foo.notify（）；B.bar.notify（）；C.foo.notifyAll（）；D.Thread.notify（）；E.bar.notifyAll（）；
A.fooreferstoaThreadandbarisanObject.Thethreadfooiscurrentlyexecutingbar.wait（）.Fromanotherthread，whatprovidesthemostreliablewaytoensurethatfoowillstopexecutingwait（）？
A.foo.notify（）；
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D.Thread.notify（）；
E.bar.notifyAll（）； -
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A.Thedatabaseisinmountstate.
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E.ThedatabaseoperatesinNOARCHIEVELOGmode. -
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YourdatabaseoperatesinARCHIVELOGmode.User－managed&ensp
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