Answers for "make a trigger in sql"

SQL
1

how to set up a trigger in sql

Create Trigger Product_Details_tr
on Product_Details
for Insert
as
being
insert into Product_Details_Audit_Log(audit_ID, update_time_stamp)
select Id, CURRENT_TIMESTAMP
from inserted 
end
Posted by: Guest on June-02-2021
2

how use trigger in sql

CREATE TRIGGER Product_Details_tr 
BEFORE INSERT ON Product_Details 
FOR EACH ROW 
SET NEW.User_ID = CURRENT_USER();
Posted by: Guest on March-11-2021
1

CREATE trigger SQL

-- Oracle DB Syntax
CREATE OR REPLACE TRIGGER {trigger_name} 
BEFORE | AFTER 
INSERT | UPDATE | DELETE 
ON {table_name}
(FOR EACH ROW) 
{operation to be executed}

-- for example
CREATE TRIGGER log_updates 
AFTER INSERT OR UPDATE ON Person
FOR EACH ROW 
INSERT INTO LogPerson(ts, IdPerson, surname)
VALUES(CURRENT_TIMESTAMP, NEW.id, NEW.surname);
Posted by: Guest on February-04-2021
1

what is a trigger in sql

-- Azure SQL Database Syntax   
-- Trigger on an INSERT, UPDATE, or DELETE statement to a table or view (DML Trigger)  
  
CREATE [ OR ALTER ] TRIGGER [ schema_name . ]trigger_name   
ON { table | view }   
 [ WITH <dml_trigger_option> [ ,...n ] ]   
{ FOR | AFTER | INSTEAD OF }   
{ [ INSERT ] [ , ] [ UPDATE ] [ , ] [ DELETE ] }   
  AS { sql_statement  [ ; ] [ ,...n ] [ ; ] > }  
  
<dml_trigger_option> ::=   
        [ EXECUTE AS Clause ]
Posted by: Guest on December-13-2020

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