考题
在Oracle中,以下工具可以逻辑备份数据库对象或整个数据库()。
A.SQL*PlusB.导出实用程序C.导入实用程序D.SQL*Loader
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What's ( )job? Are ( ) British?A. your, yourB. you, yourC. your, you
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Merry Christmas, George! Here is a card for ________, with ________ best withes.
A.you…yourB.you…ourC.us…ourD.us…your
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下列程序的运行结果是【 】。 include class SomeClass { public: SomeClass(int va
下列程序的运行结果是【 】。include <iostream. h>class SomeClass{public:SomeClass(int value) { some_value=value;};void show_data(void) { cout<<data<<"<<~some_value<<endl; };static void set_data(int value) {data=value; }private:static int data;int some_value};int SomeClass::datavoid main(void){SomeClass my_class(1001),your_class(2002);your_class. set_data(4004);my_elass. show_data()}
考题
WhichstatementistrueaboutloadingdatausingtheconventionalpathofSQL*Loader()
A.Redoisnotgeneratedwhileperformingconventionalpathloads.B.OnlyPRIMARYKEY,UNIQUEKEY,andNOTNULLconstraintsarechecked.C.Noexclusivelocksareacquiredwhentheconventionalpathloadsareperformed.D.Insteadofperformingtransactions,SQL*Loaderdirectlywritesdatablockstothedatafiles.E.INSERTtriggersaredisabledbeforetheconventionalpathloadandreenabledattheendoftheload
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Yourdatabaseisnotconfiguredforsessionfailover.Yourtnsnames.orafilecontainsthefollowingdetails:test.us.oracle.com=(DESCRIPTION=(ADDRESS_LIST=(LOAD_BALANCE=off)(FAILOVER=ON)(ADDRESS=(PROTOCOL=tcp)(HOST=test1-server)(PORT=1521))(ADDRESS=(PROTOCOL=tcp)(HOST=test2-server)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=test.us.oracle.com)))Whichfeatureisenabledinthiscase?()A.LoadbalancingB.InstancefailoverC.DatabasefailoverD.Connect-timefailoverE.TransparentApplicationFailover(TAF)
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IMPORT和SQL*LOADER 这2个工具的不同点
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( ) – Is Miss White __________ English teacher, Maria?– No, she teaches __________ geography.A.your;myB.you;mineC.you;usD.your;us
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( )is an intermediate repository of data.A.Universal Serial Bus
B.Buffer
C.DatA.record
D.Database
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Most operating systems have a standard set of ( ) to handle the processing of all input and output instructions. A.spreadsheet
B.control instructions
C. I/O operation
D.datA.table