PGA是SGA的一部分,SGA是共享的,但分配后的PGA是不共享的
PGA是客户机内存的一部分,而SGA是服务器内存的一部分
PGA和SGA都是服务器内存的一部分,前者是私有的,后者是共享的
PGA与SGA的总和等于服务器主机内存的总和
第1题:
In your multitenant container database (CDB) containing pluggable databases (PDB), users complain about performance degradation.How does real-time Automatic database Diagnostic Monitor (ADDM) check performance degradation and provide solutions?()
A. It collects data from SGA and compares it with a preserved snapshot.
B. It collects data from SGA, analyzes it, and provides a report.
C. It collects data from SGA and compares it with the latest snapshot.
D. It collects data from both SGA and PGA, analyzes it, and provides a report
第2题:
A.PGA是SGA的一部分,SGA是共享的,但分配后的PGA是不共享的
B.PGA是客户机内存的一部分,而SGA是服务器内存的一部分
C.PGA和SGA都是服务器内存的一部分,前者是私有的,后者是共享的
D.PGA与SGA的总和等于服务器主机内存的总和
第3题:
TheDBAhaschosentomanageSGAandPGAmemoryseparatelyinanOLTPdatabasebecauseofhisuniqueknowledgeoftheapplication.WhichofthesearegoodstartingpointstousewhenconfiguringthemaximumvaluesforSGAandPGA,basedontheamountofmemoryavailableonthesystem?()
A.20%SGA 80%PGA
B.25%SGA 75%PGA
C.50%SGA 50%PGA
D.75%SGA 25%PGA
E.80%SGA 20%PGA
第4题:
For Oracle 11g, Oracle strongly recommends that you configure your database to use which of the following memory-management features?()
第5题:
You specify a nonzero value for the MEMORY_TARGET initialization parameter, but do not set thePGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.Which statement about the result is true?()
第6题:
A. Shared pool和Server process
B. Shared pool和Background process
C. SGA和user process
D. PGA和user process
E. SGA和Background process
第7题:
You specify a nonzero value for the MEMORY_TARGET initialization parameter,but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance. Which statement about the result is true?()
第8题:
A. You cannot specify MEMORY_TARGET if you explicitly specify SGA_TARGET or PGA_AGGREGATE_TARGET values that are greater than zero in your parameter file.
B. Oracle can reallocate memory between the SGA and PGA automatically as needed.
C. To use Automatic Memory Management, you must explicitly set both the MEMORY_TARGET and MEMORY_MAX_TARGET parameters in your parameter file.
D. You can set the MEMORY_TARGET parameter to a maximum value of the current SGA size plus the current PGA size.
第9题:
You are adding redo logs to the Oracle database. Creating a new redo log adds information to which of the following Oracle resources? ()
第10题:
说明数据库内存结构中SGA和PGA的组成,以及这两个内存区存放信息的区别。