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How to set up scheduled tasks in oracle

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Oracle 定时任务设置指南Oracle 数据库通过创建作业(Jobs)设置定时任务,执行指定任务:创建作业: CREATE JOB <job_name> WITH PROCEDURE <procedure_name> SCHEDULE EVERY <interval> [DAY | HOUR | MINUTE | WEEK | MONTH | YEAR]启用作业: ALTER JOB <job_

How to set up scheduled tasks in oracle

Oracle 定时任务设置指南

引言

在 Oracle 数据库中,可以通过创建作业(Jobs)来设置定时任务,实现特定任务的自动执行。

步骤

1. 创建 Job

<code class="sql">CREATE JOB <job_name>
WITH
  PROCEDURE <schema.procedure_name>(<parameters>)
  SCHEDULE EVERY <interval>
  [DAY | HOUR | MINUTE | WEEK | MONTH | YEAR]
  [START AT <start_time>]
  [END AT <end_time>]
  [ENABLED | DISABLED];</code>
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  • <job_name>:作业名称
  • <schema.procedure_name>:要执行的存储过程或函数
  • <parameters>:存储过程或函数所需的参数
  • <interval>:执行时间间隔
  • <start_time>:开始时间(可选)
  • <end_time>:结束时间(可选)
  • ENABLED | DISABLED:指定作业是否启用(可选,默认启用)

2. 启用作业

<code class="sql">ALTER JOB <job_name> ENABLE;</code>
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3. 禁用作业

<code class="sql">ALTER JOB <job_name> DISABLE;</code>
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4. 删除作业

<code class="sql">DROP JOB <job_name>;</code>
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示例

创建每小时执行一次存储过程 pkg1.proc1 的作业:

<code class="sql">CREATE JOB my_job
WITH
  PROCEDURE pkg1.proc1()
  SCHEDULE EVERY 1 HOUR
  ENABLED;</code>
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其他选项

  • ON_ERROR:指定作业在出错时的操作
  • RETRY:设置作业重试次数和间隔
  • WINDOW:限制作业在特定时间段内执行
  • PROFILE:指定作业的执行权限(仅限管理员)

故障排除

  • 检查作业的 BROKEN 属性,以了解是否存在错误。
  • 检查存储过程或函数是否有语法错误或权限问题。
  • 使用 DBMS_JOB 包来管理和监视作业。

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