Home Database Oracle Where is the oracle database trigger?

Where is the oracle database trigger?

Apr 07, 2024 pm 03:48 PM
oracle

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>
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How to access:

-- 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;
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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)

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