多项选择题

You are working in a dedicated server environment. Your……

You are working in a dedicated server environment. Your database is running in the automatic Program Global Area （PGA） memory management mode.
Which two statements are correct in this scenario？（）

A.The WORK_AREASIZE_POLICY initialization parameter cannot be set to AUTO.
B.The Oracle database automatically controls the amount of PGA memory allotted to SQL work areas.
C.Setting the value of the SGA_TARGET initialization parameter to 0 will disable the automatic PGA memory management.
D.The SORT_AREA_SIZE parameter is ignored by all the sessions running in the automatic PGA memory management mode.

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热门试题

单项选择题Yourdatabaseisusingsharedserverconfiguration.WhichoptionalmemorystructurewouldyouconfiguretostoretheUserGlobalArea（UGA）informationandimprovethesharedpoolperformance？（）

A.large pool
B.streams pool
C.keep buffer cache
D.recycle buffer cache

单项选择题In your running instance， some of the initialization parameters are set as shown below： SGA_MAX_SIZE = 14GB DB_CACHE_SIZE = 1GB SHARED_POOL_SIZE = 3GB STATISTICS_LEVEL = BASIC PGA_AGGREGATE_TARGET = 0 You plan to enable Automatic Shared Memory Management but you are not able to set SGA_TARGET to a nonzero value. What could be the reason？（）

A.The STATISTICS_LEVEL initialization parameter is set to BASIC
B.The PGA_AGGREGATE_TARGET initialization parameter is set to zero.
C.The SGA_MAX_SIZE initialization parameter is set to less than 20 GB
D.The DB_CACHE_SIZE initialization parameter is set to less than 5 GB
E.The SHARED_POOL_SIZE initialization parameter is set to a nonzero value.

单项选择题InyourproductiondatabaseyouwanttouseanAutomaticStorageManagement（ASM）instancetomanagethedatabasefiles.Whichoptionwouldyouusetomigratethedatabasefilesfromanon-ASMinstancetoanASMinstance？（）

A.Oracle Migration Assistant
B.Recovery Manager （RMAN）
C.Oracle Data Pump Export and Import
D.conventional Oracle Export and Import
E.operating system utilities to copy the files to the ASM instance

单项选择题YouhaveanAutomaticStorageManagement（ASM）instancemanagingthedatabasefilesofyourproductiondatabase.ThedatabasecontainsASMfilesandnon-ASMfiles.UsingRecoveryManager（RMAN），youmigratethecompleteproductiondatabasetousetheASMinstance.Whichstatementistrue？（）

A.RMAN would relocate all the database files to an ASM disk group.
B.RMAN would change the file definitions in the control file to use the ASM but would not relocate the database files physically.
C.RMAN would relocate all the data files to an ASM disk group and other files to an operating system location， defined using Oracle Managed Files （OMF）.
D.RMAN would relocate the ASM files to an ASM disk group and the non-ASM files to an operating system location， defined using OMF

多项选择题Youwanttomigrateyourexistingnon-ASMfilestoASMfilesforthedatabasePROD.Whichmethodorcommandwouldyouusetoaccomplishthistask？（）

A.the CONVERT command of RMAN
B.Data Pump Export and Import into the same database
C.conventional export and import into the same database
D.the BACKUP DATABASE and RESTORE DATABASE commands of RMAN
E.the BACKUP AS COPY DATABASE and SWITCH DATABASE TO COPY command of RMAN