Home >Database >Oracle >Where is the oracle database trigger?

Where is the oracle database trigger?

下次还敢
下次还敢Original
2024-04-07 15:48:19809browse

The triggers in Oracle database are located in the data dictionary, and the specific location is in the USER_TRIGGERS table. Access methods include triggers that query a specific table or triggers that query all tables. The USER_TRIGGERS table contains attributes related to triggers, such as trigger name, associated table name, trigger type, execution conditions, execution code, status, etc.

Where is the oracle database trigger?

#Where are Oracle database triggers?

Oracle database triggers are located in the Data Dictionary in the database.

Specific location:

<code>USER_TRIGGERS 表</code>

How to access:

<code class="sql">-- 查询特定表的触发器
SELECT * FROM USER_TRIGGERS WHERE TABLE_NAME = 'your_table_name';

-- 查询所有表的触发器
SELECT * FROM USER_TRIGGERS;</code>

Properties:

# The ##USER_TRIGGERS table contains the following properties about triggers:

    TRIGGER_NAME
  • TABLE_NAME
  • TRIGGER_TYPE
  • WHEN_CLAUSE
  • TRIGGER_BODY
  • STATUS

Explanation:

  • TRIGGER_NAME: Trigger Name
  • TABLE_NAME: The name of the associated table
  • TRIGGER_TYPE: Trigger type (such as BEFORE, AFTER, INSTEAD OF)
  • WHEN_CLAUSE: Specifies the condition for trigger execution
  • TRIGGER_BODY: The PL/SQL code for trigger execution
  • STATUS: Trigger status (such as ENABLED, DISABLED)

The above is the detailed content of Where is the oracle database trigger?. For more information, please follow other related articles on the PHP Chinese website!

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn