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OCP-1Z0-053-V12.02-211题

2013-11-07 16:01 435 查看
211.You want to disable resumable space allocation for all sessions.
Which value should be assigned to the RESUMABLE_TIMEOUT parameter to disable resumable space
allocation for all sessions?
A. 0
B. 10
C. 100
D. NULL
Answer: A

答案解析:

参考:http://docs.oracle.com/cd/E11882_01/server.112/e25494/schema.htm#ADMIN11589

Setting the RESUMABLE_TIMEOUT Initialization Parameter

You can specify a default system wide timeout interval by setting the
RESUMABLE_TIMEOUT
initialization parameter. For example, the following setting of the
RESUMABLE_TIMEOUT
parameter in the initialization
parameter file sets the timeout period to 1 hour:
RESUMABLE_TIMEOUT = 3600
If this parameter is set to 0, then resumable space allocation is disabled even for sessions that run an
ALTER SESSION ENABLE RESUMABLE
statement without a timeout value.

You can also use the
ALTER SYSTEM SET
statement to change the value of this parameter at the system level. For example, the following statement disables resumable space allocation for all sessions that run an
ALTER
 SESSION ENABLE RESUMABLE
statement without a timeout value:
ALTER SYSTEM SET RESUMABLE_TIMEOUT=0;
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