單項(xiàng)選擇題

You want to purge job entries older than 5 days from the job log. You do not want to purge window log entries. Which command will you use to accomplish this task？（）

A. EXECUTE DBMS_SCHEDULER.PURGE_LOG（log_history => 5， job_name => ’JOB1’）；
B. EXECUTE DBMS_SCHEDULER.PURGE_LOG（ log_history => 5， job_name => ’JOB_LOG’）；
C. EXECUTE DBMS_SCHEDULER.PURGE_LOG（ log_history => 5， which_log => ’JOB1’）；
D. EXECUTE DBMS_SCHEDULER.PURGE_LOG（ log_history => 5， which_log =>’JOB_LOG’）；

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單項(xiàng)選擇題

Your system performs heavy transaction processing between 8：00 A.M. and 5：00 P.M. but runs batch processing and reports after that. You decide to create a separate resource plan to govern resource allocation for each time period. Which scheduler object will you use to switch automatically between the two resource plans？（）

A. Window
B. Program
C. Job_Class
D. Window group

單項(xiàng)選擇題

You executed the following code：
BEGIN
DBMS_SCHEDULER.SET_ATTRIBUTE
（ NAME => ’JOB_A’，
ATTRIBUTE => ’JOB_PRIORITY’，
VALUE => 7）；
END； /
After analyzing the above code， what conclusion will you draw？（）

A. The code will be executed successfully.
B. The code will not be executed successfully because the value of the VALUE parameter must be 1， 2， or 3.
C. The code will not be executed successfully because the value of the VALUE parameter must range between 1 and 5.
D. The code will not be executed successfully because no SET_ATTRIBUTE procedure exists in the DBMS_SCHDULER package.

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You want to purge job entries older than 5 days from the job log. You do not want to purge window log entries. Which command will you use to accomplish this task？（）

你可能感興趣的試題

You executed the following code： BEGIN DBMS_SCHEDULER.SET_ATTRIBUTE （ NAME => ’JOB_A’， ATTRIBUTE => ’JOB_PRIORITY’， VALUE => 7）； END； / After analyzing the above code， what conclusion will you draw？（）

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You executed the following code：
BEGIN
DBMS_SCHEDULER.SET_ATTRIBUTE
（ NAME => ’JOB_A’，
ATTRIBUTE => ’JOB_PRIORITY’，
VALUE => 7）；
END； /
After analyzing the above code， what conclusion will you draw？（）