FL 500The CREATE TRIGGER (advanced) statement defines an advanced trigger in a schema and builds a trigger package at the current server. Each time that the trigger activates, the trigger package executes one or more times.
The CREATE TRIGGER statement defines a PL/SQL trigger in the database. Syntax CREATEOR REPLACE TRIGGERtrigger-nameBEFOREAFTERINSTEAD OFtrigger-eventONtable-nameREFERENCING1OLDAScorrelation-nameNEWAScorrelation-nameFOR EACH ROWFOR EACH STATEMENTWHEN(search-condition)DECLAREdeclarationBEGIN statement EXCEPTION...
Thetrigger_eventdoes not represent a literal type of SQL statement that activates the trigger so much as it represents a type of table operation. For example, anINSERTtrigger activates not only forINSERTstatements but alsoLOAD DATAstatements because both statements insert rows into a table. ...
R: 响应动作: 不满足怎么办? 以下是Oracle 的触发器的语法例子, 在SQL server中 语法略有差别, 但是思路一致. .. 创建触发器的基本语法: create trigger trigger_name before| after[insert | delete|update] [of colname] on tablename for each row| for each statement when [search_condition] [statemen...
you can then refer to this correlation name in the triggered-SQL-statement: DELETE FROM HotelAvailability WHERE hotel_id = DELETEDROW.hotel_id The OLD and NEW transition variables map to ajava.sql.ResultSetwith a single row. Note:Only row triggers (seeStatement versus row triggers) can use...
13.1.20 CREATE TRIGGER Statement CREATE [DEFINER = user] TRIGGER trigger_name trigger_time trigger_event ON tbl_name FOR EACH ROW [trigger_order] trigger_body trigger_time: { BEFORE | AFTER } trigger_event: { INSERT | UPDATE | DELETE } trigger_order: { FOLLOWS | PRECEDES } other_trigger...
CREATE TRIGGER hr.emp_permit_changes BEFORE DELETE OR INSERT OR UPDATE ON hr.employees < pl/sql block > Oracle fires this trigger whenever a DELETE, INSERT, or UPDATE statement affects the employees table in the schema hr. The trigger emp_permit_changes is a BEFORE statement trigger, so ...
1createtriggertrigger_name2on{table_name|view_name}3{for|After|Insteadof}4[insert, update,delete]5as6sql_statement 六:删除触发器: 基本语句如下: drop trigger trigger_name 七:查看数据库中已有触发器: -- 查看数据库已有触发器 use jxcSoftware ...
Learn more about the Microsoft.SqlServer.Management.SqlParser.SqlCodeDom.SqlCreateTriggerStatement in the Microsoft.SqlServer.Management.SqlParser.SqlCodeDom namespace.
Can anybody help me how to write this trigger in mysql. I am writing the sql server trigger code. If exists(select * from deleted) delete from another_table where dept_id in (select dept_id from deleted); end; Thanks in advance Devaraya Edited 1 time(s). Last edit at 02/...