其他
YouareconfiguringthePRODdatabasetouseaninternaltuningalgorithmtomonitortheperformanceoftheworkload.Toachievethisconfiguration，youspecifythefollowingparametersettingsintheSPFILE：SGA_TARGET=512MSHARED_POOL_SIZE=256MWhichtwostatementsaretruewhenmodifyingtheS
题目
YouareconfiguringthePRODdatabasetouseaninternaltuningalgorithmtomonitortheperformanceoftheworkload.Toachievethisconfiguration，youspecifythefollowingparametersettingsintheSPFILE：SGA_TARGET=512MSHARED_POOL_SIZE=256MWhichtwostatementsaretruewhenmodifyingtheSHARED_POOL_SIZEinitializationparameterintheSPFILE？（）
A.ModifyingtheSHARED_POOL_SIZEinitializationparametercannotbeaccomplishediftheSGA_TARGETinitializationparameterissettoanon-zerovalue.
B.ModifyingthevalueoftheSHARED_POOL_SIZEinitializationparametertozeroisnotallowediftheSGA_TARGETinitializationparameterissettoanonzerovalue.
C.IncreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterdoesnotincreasethesharedpoolcomponentsize.Itsetsthelowerlimitforthesizeofthiscomponent.
D.DecreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterdoesnotreducethesizeofthesharedpoolcomponentimmediately.Itsetsthelowerlimitforthesizeofthiscomponent.
E.IncreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterimmediatelyincreasesthesharedpoolcomponenttothedesiredsizebyreallocatingtheadditionalmemoryfromtheauto-tunedmemorycomponents.
F.DecreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterimmediatelyshrinksthesharedpoolcomponenttothedesiredsizewhilereallocatingthereleasedmemorytothememorycomponentsthatarenotauto-tuned.