Library cache
Row cache
Dictionary cache
Large area
Buffer cache
第1题:
Automatic Shared Memory Management (ASMM) has been enabled for your database instance. Theinitialization parameters for the components that are managed by ASMM are not set. After observing theeffects of ASSM, you executed the following command: SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M; Which statement is true in this scenario()
第2题:
You find that the database performance degrades while you backup the PROD database using Recovery Manager (RMAN). The PROD database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation?()
第3题:
Records from the data dictionary information are stored in which of the following database memory areas?()
第4题:
Which component of the SGA stores parsed SQL statements is used for process sharing?()
第5题:
You work as a database administrator for Certkiller .com. You find that the database performance degrades while you backup the Certkiller database using Recovery Manager (RMAN). The Certkiller database is running in shared server mode. The database instance is currently using 60% of total operating system memory. You suspect the shared pool fragmentation to be the reason. Which action would you consider to overcome the performance degradation?()
第6题:
large pool
streams pool
keep buffer cache
recycle buffer cache
第7题:
Library cache
Row cache
Session UGA
Buffer cache
第8题:
Because 4194304 is the granule size
Because 4194304 is the standard block size
Because 4194304 is the largest nonstandard block size defined in the database
Because 4194304 is the total size of data already available in the database buffer cache
第9题:
streams pool
shared pool
log buffer
keep buffer cache
recycle buffer cache
第10题:
database buffer cache
shared pool
PGA
large pool
第11题:
The minimum memory size for the database buffer cache is set to 100 mb.
The maximum memory size that can be obtained by the database buffer cache during ASMM is set to100 mb
The minimum memory size allocated for a server process in the database buffer cache in dedicatedmode is set to 100 mb.
The maximum memory size from the database buffer cache that can be released for dynamicdistribution during ASMM is set to 100 mb
第12题:
Create a SQL Tuning Set (STS) that contains the queries cached in the library cache and run the SQL Tuning Advisor (STA) on the workload captured in the STS.
Run the Automatic Workload Repository Monitor (ADDM).
Create an STS that contains the queries cached in the library cache and run the SQL Performance Analyzer (SPA) on the workload captured in the STS.
Create an STS that contains the queries cached in the library cache and run the SQL Access Advisor on the workload captured in the STS.
第13题:
You are analyzing how Oracle processes user statements. SQL and PL/SQL parse information is stored in which of the following database memory areas? ()
第14题:
You have configured Automatic Shared Memory Management. Which four memory structures would be automatically tuned? ()
第15题:
Your database is using shared server configuration. Which optional memory structure would you configure to store the User Global Area (UGA) information and improve the shared pool performance?()
第16题:
You have executed this command to change the size of the database buffer cache: SQL> ALTER SYSTEM SET DB_CACHE_SIZE=2516582; System altered. To verify the change in size, you executed this command: SQL> SHOW PARAMETER DB_CACHE_SIZE NAME TYPE VALUE ------------------- ----------- ------------------ db_cache_size big integer 4194304 (4M) Why is the value set to 4194304 and not to 2516582()
第17题:
Configure Java Pool to cache the java objects.
Configure Streams Pool to enable parallel processing.
Increase Shared Pool size to cache more PL/SQL objects.
Increase Database Buffer Cache size to increase cache hits.
Configure Large Pool to be used by RMAN and shared server.
Increase the total System Global Area (SGA) size to increase memory hits.
第18题:
because 4194304 is the granule size
because 4194304 is the standard block size
because 4194304 is the largest nonstandard block size defined in the database
because 4194304 is the total size of data already available in the database buffer cache
第19题:
Buffer cache
Redo log buffer
Private SQL area
Library cache
Row cache
第20题:
Memory Advisor
Segment Advisor
SQL Tuning Advisor
SQL Access Advisor
Automatic Database Diagnostic Monitor (ADDM)
第21题:
Configure Java Pool to cache the java objects.
Configure Streams Pool to enable parallel processing.
Increase Shared Pool size to cache more PL/SQL objects.
Increase Database Buffer Cache size to increase cache hits.
Configure Large Pool to be used by RMAN and shared server.
Increase the total System Global Area (SGA) size to increase memory hits.
第22题:
The V$PGA_TARGET_ADVICE view shows the predicted cache hit-ratio improvement if you increase PGA_AGGREGATE_TARGET
The V$PGA_TARGET_ADVICE view shows how the V$SQL_WORKAREA histogram will change if you change the value of PGA_AGGREGATE_TARGET
The V$PGA_TARGET_ADVICE_HISTOGRAM view shows how the V$SQL_WORKAREA_HISTOGRAM will change if you switch between Manual and Automatic PGA Memory Management
The V$PGA_TARGET_ADVICE view shows how performance will improve for the different work areas if you switch from Manual to Automatic PGA Memory Management
第23题:
Memory Advisor
Segment Advisor
SQL Tuning Advisor
SQL Access Advisor
Automatic Database Diagnostic Monitor (ADDM)