Which DBMS_SCHEDULER procedures can be used to enable a program?()
A. ENABLE启用
B. ENABLE_PROGRAM
C. VALIDATE_PROGRAM
D. SET_ATTRIBUTE设置属性
E. SET_ENABLED
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YouaremaintainingyourdatabaseinOracle10g.Youfindthatthenumberoflanguagesthatshouldbesupportedinyourdatabasehasincreased.ThecharactersetofyourdatabaseisUTF8.YoudecidetomigrateyourdatabasetotheAL16UTF16nationalcharacterset.HowwillyoumigrateyourdatabasefromUTF8toAL16UTF16?()
A. byusingtheRMANutility
B. byusingtheexport/importutility
C. byusingtheALTERDATABASEcommand
D. byenablingthechangetrackingfeature
毛泽东提出:国家的统一、人民的团结、国内各民族的团结,这是我们的事业必定要胜利的基本保证。()
WhichtwostatementsaretrueregardingaPL/SQLpackagebody?()
A. Itcannotbecreatedwithoutapackagespecification.
B. Itcannotinvokesubprogramsdefinedinotherpackages.
C. Itcancontainonlythesubprogramsdefinedinthepackagespecification.
D. Itcanbechangedandrecompiledwithoutmakingthepackagespecificationinvalid.