trigger_compile_clause この句の構文とセマンティクスの詳細およびトリガーの作成とコンパイルの詳細は、『Oracle Database PL/SQL言語リファレンス』を参照してください。 ENABLE | DISABLE ENABLEを指定すると、トリガーを使用可能にできます。また、ALTER TABLEのENABLE ALL TRIGGERS句を使用するこ...
alter_trigger的语法如下: ALTERTRIGGER[schema.]trigger_name COMPILE|{ENABLE|DISABLE}; 语义 语法关键字或语法节点说明 alter_triggerschema该触发器所在的 Schema 名称。默认值为当前用户的 Schema。 alter_triggertrigger_name要重新编译的触发器名称。
but is not executed when its triggering event occurs. For a deferred trigger, the enable status is checked when the event occurs, not when the trigger function is actually executed. One can disable or enable a single trigger specified by name, or all trigger...
Triggers are defined using PL/SQL. Therefore, this section provides some general information but refers toOracle Database PL/SQL Language Referencefor details of syntax and semantics. Use theALTERTRIGGERstatement to enable, disable, or compile a database trigger. ...
ENABLE/DISABLE TRIGGER trigger_name; 在PostgreSQL中,ALTER命令也提供了类似的功能,并且还允许重命名列: ALTER TABLE table_name RENAME COLUMN old_column_name TO new_column_name; 这些命令使数据库管理员能够灵活地管理和优化数据库结构。 三、ALTER命令的实际应用 ...
ALTER TRIGGER [schema.]name ENABLE | DISABLE; 說明 同一個Schema下觸發器名稱必須唯一。 內建觸發器的狀態無法修改。 參數 參數名稱 描述 schema 觸發器依賴的表所在的命名空間,預設是public。 name 觸發器依賴的表的名稱。 new_name 觸發器的新名稱。 extenion_name 觸發器依賴的外掛程式名稱。 ENABLE/DIABLE...
operation is performed on theregionstable, the trigger is fired, and the records whose values ofregion_idare greater than 3 are moved to thereg_histable. After you create this trigger, the database automatically enables it. Then, you can use the following statement to disable the trigger:...
SQL> ALTER TRIGGERsys.cdc_create_ctable_beforeDISABLE; SQL> ALTER TRIGGER sys.cdc_drop_ctable_before DISABLE; This will also prevent the deadlock from occurring. 资料二 Applies to: Oracle Server - Enterprise Edition - Version: 9.2.0.8 and later [Release: 9.2 and later ] ...
ORA-04098: trigger 'DBBJ.DB_EV_ALTER_ST_METADATA' is invalid and failed re-validation 主要是禁用触发器 C:\Users\Administrator>sqlplus "/ as sysdba" SQL> alter trigger DBBJ.DB_EV_ALTER_ST_METADATA disable; Trigger altered. SQL> commit; ...
ALTER EVENT TRIGGER更改一个现有事件触发器的属性。 简介 必须作为一个超级用户才能修改一个事件触发器。 语法 ALTER EVENT TRIGGER name DISABLE ALTER EVENT TRIGGER name ENABLE [ REPLICA | ALWAYS ] ALTER EVENT TRIGGER name OWNER TO { new_owner | CURRENT_USER | SESSION_USER } ALTER EVENT TRIGGER nam...