单项选择题
Examine the parameter setting in your database:
Which statement is correct about the database?()
A. Automatic memory management is disabled because PGA_AGGREGATE_TARGET and SGA_TARGET are not set
B. The instance is started but the database will not be opened until PGA_AGGREGATE_TARGET and SGA_TARGET are set
C. The database is opened but users cannot perform transactions until PGA_AGGREGATE_TARGET and SGA_TARGET are set
D. Automatic memory management is enabled and, as per policy, 60% of the memory for System Global Area (SGA) and 40% of the memory for Program Global Area (PGA) will be distributed at startup
相关考题
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单项选择题
You run the SQL Tuning Advisor (STA) to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement,which recommends that you accept the profile. Which statement is true when you accept the suggested SQL profile?()
A. The tuned plan is not added to the SQL plan baseline.
B. The tuned plan is added to the fixed SQL plan baseline as a fixed plan.
C. The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.
D. The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan. -
单项选择题
You want to enable automatic PGA memory management in your database. Which setting is required toachieve this?()
A. Set MEMORY_TARGET to zero
B. Set the STATISTICS_LEVEL parameter to BASIC
C. Set the WORKAREA_SIZE_POLICY parameter to MANUAL
D. Set the PGA_AGGREGATE_TARGET parameter to nonzero value -
多项选择题
WhichthreearethevalidstatementsinrelationtoSQLplanbaselines?()
A. The plans can be manually loaded to the SQL plan baseline.
B. The plans in the SQL plan baseline are verified and accepted plans.
C. The plans generated for every SQL statement are stored in the SQL plan baseline by default.
D. The plan baselines are stored temporarily in the memory as long as the database instance is running.
E. For the SQL plan baselines to be accessible to the optimizer, the SYSAUX tablespace must be online.
