单项选择题
Why can setting too low a value for the FAST_START_MTTR_TARGET parameter reduce your overall database performance？（）
A.Data blocks have to be written more frequently by DBWR.
B.Redo blocks have to be written more frequently by LGWR.
C.You need to substantially increase the size of your database buffer cache to hold the additional checkpoint records.
D.You need to substantially increase the size of your redo buffer cache to hold the additional checkpoint records.
相关考题
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单项选择题
You are attempting to create an Oracle-Managed Files （OMF） tablespace in a production database with the following statement and receive the following error message： CREATE TABLESPACE tbsl； ORA-02199： missing DATAFILE/TEMPFILE clause oerr ora 2199 02199， 00000， “missing DATAFILE/TEMPFILE clause” *Cause： A CREATE TABLESPACE statement has no DATAFILE/TEMPFTLE clause. *Action： specify DATAFILE/TEMPFILE clause. What is the corrective action to create the OMF based tablespace？（）
A.A
B.B
C.C
D.D -
单项选择题
WhattypeofprotectionisimplementedwhentheDBAissuestheALTERDATABASESETSTANDBYDATABASEPROTECTED；command？（）
A.The standby database is protected against write operations.
B.The primary database is protected against write operations.
C.The primary database is protected against data loss and data divergence.
D.The standby database is protected against data loss and data divergence. -
单项选择题
WhatisthenewOracleSharedServer?（）
A.An improved version of multithreaded server configuration.
B.A connection pooling configuration where several clients are connected to the same server process.
C.Two more database servers, which share data by means of database links; the client software is unaware to which server it is connected.
D.A configuration of Real Application Cluster where the client connection is routed to the least busy instance.
