653.View the Exhibits: Exhibit 1 and Exhibit 2
Both processes use an existing job template PROG_1. The time taken by the jobs are recorded in theTEST_LOG table. It was observed that the job creation process in exhibit 1 takes less time than in exhibit 2.
What is the reason for this?
Exhibit:
A.It creates less metadata for jobs
B.It creates jobs temporarily in memory only
C.It writes the jobs metadata to disk in compressed format
D.It updates tables in SYSTEM tablespace instead of creating new tables
Answer: A
参考：http://docs.oracle.com/cd/E11882_01/server.112/e25494/schedover.htm#ADMIN13368
从图中可看到，job_style=>'lightweight'，此作业是轻量级作业。
Both processes use an existing job template PROG_1. The time taken by the jobs are recorded in theTEST_LOG table. It was observed that the job creation process in exhibit 1 takes less time than in exhibit 2.
What is the reason for this?
Exhibit:
A.It creates less metadata for jobs
B.It creates jobs temporarily in memory only
C.It writes the jobs metadata to disk in compressed format
D.It updates tables in SYSTEM tablespace instead of creating new tables
Answer: A
参考：http://docs.oracle.com/cd/E11882_01/server.112/e25494/schedover.htm#ADMIN13368
从图中可看到，job_style=>'lightweight'，此作业是轻量级作业。
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