Create a "trigger function" as the initial step. A trigger function is basically defined by the user. This function does not need any argument to be passed into it and it returns the value having a data type trigger. The trigger function is created using the CREATE FUNCTION command. The f...
CREATE EVENT TRIGGER name ON event [ WHEN filter_variable IN (filter_value [, ... ]) [ AND ... ] ] EXECUTE { FUNCTION | PROCEDURE } function_name() event 表示触发事件,目前仅支持ddl_command_start、ddl_command_end、table_rewrite 和 sql_drop WHEN filter_variable 用于过滤部分事件,当前仅...
SQL プロセッサー・プログラムに関する考慮事項: SPUFI、 Db2 command line processor、 DSNTEP2 などのSQLプロセッサプログラムは、セミコロンで終わるトリガーアクションのSQLステートメントを正しく解析できない場合があります。 これらのプロセッサー・プログラムは、複数の SQL ステー...
CREATE TRIGGER– The SQL command to start creating a SQL Trigger. Schema_name– (Optional) Name of the SQL schema the trigger will be created in. If left blank, SQL will, by default, assign it to the “dbo” schema. Trigger_name– The name we provide for the new trigger. Make this ...
You cannot create another package from the trigger package, such as with the BIND COPY command. The only way to drop a trigger package is to drop the trigger or the subject table or view. Dropping the trigger drops the trigger package; dropping the subject table or view drops the trigger ...
[SqlTrigger(Name =@"UsersAudit", Target ="[dbo].[users]", Event ="FOR INSERT")] publicstaticvoidUsersAudit() { SqlContext.Pipe.Send("UsersAudit start"); // Get the trigger context. stringuserName; stringrealName; SqlCommand command; ...
PL/pgSQL can be used to define trigger procedures on data changes or database events. A trigger procedure is created with the CREATE FUNCTION command, declaring it as a function with no arguments and a return type of trigger (for data change triggers) or event_trigger (for database event...
Additional Information: See Oracle8i Application Developer's Guide - Fundamentals and the CREATE TRIGGER command in Oracle8i SQL Reference for more information about INSTEAD-OF triggers. INSTEAD-OF Triggers on Nested Tables You cannot modify the elements of a nested table column in a view ...
CREATE EVENT TRIGGER name ON event [ WHEN filter_variable IN (filter_value [, ... ]) [ AND ... ] ] EXECUTE { FUNCTION | PROCEDURE } function_name() event 表示触发事件,目前仅 支持 ddl_command_start 、 ddl_command_end 、 table_rewrite 和 sql_drop WHEN filter_variable 用于过滤部分事...
If an item (items) in the main form is inserted into the database,BeforeInsertwill be called for Main Entity first, sql commandINSERTexecuted next, and finally theAfterInserttrigger will be called. These triggers contain items selected by operation type (insert), that is why there's no nee...