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How to create a scheduled task in oracle

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Release: 2024-04-18 15:45:25
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To create scheduled tasks in Oracle, you can use the DBMS_JOB package. The steps are as follows: 1. Create a job (task); 2. Enable the job; 3. Disable the job; 4. Delete the job; 5. View job information. For example, to run a task named "my_job" that executes a stored procedure named "my_procedure" every morning at 8:00 am, you would use the DBMS_JOB.SUBMIT and DBMS_JOB.ENABLE commands.

How to create a scheduled task in oracle

How to use Oracle to create a scheduled task

Direct answer:
In Oracle To create scheduled tasks, you can use the DBMS_JOB package.

Detailed steps:

1. Create a job (task)

<code class="sql">BEGIN
  DBMS_JOB.SUBMIT(
    job => 'job_name',     -- 任务名称
    what => 'begin your_procedure_name; end;', -- 要执行的 PL/SQL 代码
    next_date => date '2023-03-08',  -- 下次执行时间
    interval => 'FREQ=DAILY',  -- 重复频率(例如,每天一次)
    comments => 'your_comments'  -- 注释(可选)
  );
END;
/</code>
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2. Enable job

<code class="sql">BEGIN
  DBMS_JOB.ENABLE(job => 'job_name');
END;
/</code>
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3. Disable job

<code class="sql">BEGIN
  DBMS_JOB.DISABLE(job => 'job_name');
END;
/</code>
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4. Delete job

<code class="sql">BEGIN
  DBMS_JOB.REMOVE(job => 'job_name');
END;
/</code>
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5. View job Information

<code class="sql">SELECT * FROM USER_JOBS WHERE job_name = 'job_name';</code>
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Example:

To run a task named "my_job" at 8:00 every morning, execute the stored procedure named "my_procedure" , you can use the following command:

<code class="sql">BEGIN
  DBMS_JOB.SUBMIT(
    job => 'my_job',
    what => 'begin my_procedure; end;',
    next_date => 'trunc(sysdate) + 8/24',  -- 今天早上 8:00
    interval => 'FREQ=DAILY',
    comments => 'Runs my_procedure daily'
  );
  DBMS_JOB.ENABLE(job => 'my_job');
END;
/</code>
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