多项选择题
Which statements are true regarding the Query Result Cache?()
A. It can be set at the system, session, or table level.
B. It is used only across statements in the same session.
C. It can store the results from normal as well as flashback queries.
D. It can store the results of queries based on normal,temporary,and dictionary tables.
相关考题
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单项选择题
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?()
A. The database instance starts,and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZE
B. The database instance starts,and Oracle automatically tunes memory and allocates 60 percent to the SGA and 40 percent to the PGA
C. The database instance starts,but Automatic Memory Management is disabled
D. The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter -
单项选择题
Your database interface is running. A user SCOTT starts a SQL *Plus session, and issues the following query: SQL> SELECT * FROM sales; Which process would retrieve the result from the database and return it to the client program?()
A. User process
B. Server process
C. System Monitor (SMON)
D. Process Monitor (PMON)
E. Checkpoint process (CKPT) -
单项选择题
Which statement can be an inference from the output?()
A. The FRA disk group has an asynchronous I/O bottleneck
B. The least number of I/Os are performed on the last data file in the list
C. The number of times that the backup or restore process directed the OS to wait until an I/O was complete is the highest for the last data file in the list
D. The number of times that the backup or restore process made an OS call to poll for I/O completion in Nonblocking mode is the least for the FRA disk group
