Oracle scheduled tasks can be executed at midnight every day through the DBMS_SCHEDULER package. The specific steps are as follows: Create a PL/SQL script file that contains the code to create scheduled tasks; connect to the database as a DBA role and run the script file; The Oracle background process polls the queue and executes tasks at midnight.
Can Oracle scheduled tasks be executed at midnight every day?
Answer: Yes
Details:
Oracle provides the DBMS_SCHEDULER package, which allows users to create and Manage scheduled tasks. The package supports executing tasks at specific times or recurring times.
Steps to create a scheduled task at midnight every day:
<code class="sql">BEGIN DBMS_SCHEDULER.CREATE_JOB( job_name => 'midnight_job', job_type => 'PLSQL_BLOCK', job_action => 'BEGIN NULL; END;', start_date => TO_DATE('2023-01-01', 'YYYY-MM-DD'), repeat_interval => 'FREELY', end_date => NULL, enabled => TRUE, comments => 'Daily task at midnight' ); END;</code>
<code>sqlplus /nolog @midnight_job.sql</code>
Task execution principle:
Note:
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