WhichofthefollowingoperationsdoesnotrequireOracletostoreinformationinanUNDOsegmentsaspartofthetransaction?()
现有:classTestFoofintx;Stringy;intgetX(){returnx;}StringgetY(){returny;}voidsetX(intx){intZ=7:this.x=x;}可以添加多少个修饰符来封装此类?()
WhichtwostatementsaretrueregardingtheuseofUTF-16encoding?()
综采工作面安全出口高度不低于()
YourbossatSupportcenter.cnwantsyoutoclarifyOracle10g.Whichconditioninyourdatabaseforcesyoutoperformonlyconsistentbackups?()