Questions tagged [database-trigger]
A database-trigger is procedural code written in the current database [tag:DML], that is automatically executed in response to certain events on a particular table or view in a database. The trigger is mostly used for maintaining the integrity of the information on the database.
I have two tables. TableA and TableB
| ID |Name|Marks|
| 1 |ABC |50 |
| 2 |BCD |80 |
I wanted to convert my MySQL Trigger to an Oracle Trigger but there are 2 errors which does not make any sense for me. First there is a PLSQL Statement ignored and second my identifier needs to be ...
I'm struggling to figure out if this is possible via SQLite triggers.
I have rooms, rooms belong to a group. Now, groups are be only calculated via distinct select from rooms
SELECT DISTINCT ...
Following is the requirement and approach/design taken
Need to insert into History table for an update on any column of a table, if and only if the value of the column has changed.
I have 3 tables (written as important parts, not all data):
I need help in converting the below query to postgres. Any help is greatly appreciated
CREATE TRIGGER REQUESTOR_TRG
BEFORE INSERT ON REQUESTOR
FOR EACH ROW
I would like to make a trigger after delete that take the value max ID + 1 for my autoincrement.
Here is my current code with the error from MySQL:
CREATE TRIGGER form_id_autoincrement
Error code 4098, SQL state 42000: ORA-04098: trigger 'HR.TRGM_ID' is invalid and failed re-validation
I'm getting this problem. What should I do?
create table kids(
id integer primary key,
I would like to use postgres_fdw and house a FOREIGN TABLE in my database. Is it possible to define a trigger on the local server for this FOREIGN TABLE that recognizes an INSERT event on the remote ...
Imagine two tables:
TableA with order headers and
TableB with order items
Uniqe link between the tables = ID
I need (I think) two triggers:
When a (date) field TableA.Q is updated, all (date) field(...
I created trigger which working after every insert and for each row
My question is in case I’m having like 1000 records which inserts together or working with websocket. Does the trigger is working ...
I created a trigger:
CREATE OR REPLACE FUNCTION public.delete_user()
RETURNS TRIGGER AS $func$
EXECUTE format('UPDATE public.user SET %I = %L WHERE state = %L',
"state", "active", "...
I have the table Ticketsforsale:
Ticketsforsale(ticket_id, starting_date, price)
I need to create a trigger function which , in case of update on "starting_date" , will replace the old "...
I am trying to implement a statement level trigger to enforce the following "An applicant cannot apply for more than two positions in one day".
I am able to enforce it using a row level trigger (as ...
I'm at work for a trigger which provide a "domain" for column Molteplicità in a table called Partecipa using a function.
The trigger I've created is the following:
CREATE OR REPLACE TRIGGER ...
What is the right syntax for an update after an insert on a sql trigger?
I am trying:
CREATE TRIGGER movimentacoes AFTER INSERT ON
mov FOR EACH ROW
I am trying to create a trigger using 'Oracle SQL Developer' in 'Oracle 11G'. But every time a try it I get 'ORA-24344: success with compilation error' message and my trigger gets partially created ...
I needed to write my own Trigger to be able to update some search vectors in my Postgres database and alembic/ Sqlalchemy weren't able to autogenerate these.
For that I added my custom SQL into a ...
Let's say 6,7,8 are all taken, and l tried to insert data with id = 6. The purpose of the trigger is to find the next available number. However, MySQL does not recognize new.id
Or, can l alter ...
I want to create a trigger function to update books_count of the campaign if I insert/update/delete a row of the books at the books_category table.
For example, my table categories are :
I am trying to built a trigger on the [Catalog] table in the database [ReportServer].
The idea is: when a a report is published, I would like to test
if it is built with a VIP data source, and
I have two tables that are updated by one function (GLPOST and GLPOSTO).
I have created a view (GLREP) based on these two tables that transposes the rows of GLPOSTO into columns as this is how I want ...
I want to create triggers for practicing PL/SQL and I sorta got stuck with these two ones, which I'm sure they're simple, but I can't get a hold of this code.
The first trigger forbids an employee to ...
I am getting table is mutating error when I try to update the table
Here is the trigger:
create or replace trigger trigger1
backs up the flight ID, ticket number and seat number for any deleted ticket if the ticket corresponds to a flight that has not yet departed.
CREATE SEQUENCE generateKey
START WITH 100
How to create a audit table for a given table to log all the changes to the table
For example, there is a table called person with 3 columns
I have to create a new table with name ...
I want to disable an existing trigger in SAP HANA database. Trigger name is UPDATE_SERIAL_CHANGELOG
I tried executing below script however I'm getting error:-
ALTER TRIGGER "CM_DB"."TRIGGER ...
So i have a mysql trigger on AFTER UPDATE
UPDATE `Pipas` SET `bolStatus`= (SELECT IF(NEW.progreso = NEW.campos_totales, '1', '0'))
WHERE Pipas.pipa_id = NEW.pipa_id
My question here is, if i make ...
Imagine there are 2 triggers like
create or replace TRIGGER A AFTER CREATE ON SCHEMA
create or replace TRIGGER B AFTER CREATE ON SCHEMA
(note on schema). Both are invalid (fail to execute) ...
I wanted to have an explanation on triggers of Postgres views.
To make clear what I want to ask, I'll give you a very simplified example of my case.
In this example we have two tables (table_a, ...
I have a custom database sql Trigger which inserts a new row if the previous condition has been satisfied.
The problem is, the confirmed_Erp flag on the database does not get actioned if I include ...
I want to make a trigger on MYSQL that increases the value in the field of a table
DROP DATABASE IF EXISTS Lollipop;
CREATE DATABASE Lollipop;
/* Sucursales */
DROP TABLE IF EXISTS ...
CREATE TRIGGER after_game_status AFTER UPDATE ON games
FOR EACH ROW
DECLARE player1,player2, score1, score2 INT DEFAULT NULL;
IF ( NEW.status = 'finished') THEN
Problem: When a row is INSERTed, I must use a trigger to (conditionally) insert another row in the same table. I must put "NEW.rowID" in a different field of the "another" row (rowID being the primary ...
How to set a trigger to insert in another table from another schema ?
Considering schema "S" and schemas "1" to "n".
Consider that Schema "S" has table Users and table Company.
The documentation states that:
In the trigger_body of a simple trigger or the tps_body of a compound trigger, a correlation name is a placeholder for a bind variable. Reference the field of a ...
I have a simple trigger that uses the following code:
CREATE OR REPLACE TRIGGER started
BEFORE UPDATE OF mgr_start_date ON department
FOR EACH ROW
WHEN (new.mgr_start_date < old.mgr_start_date)
I am building a table that takes in table/view name, created date and the name of the creator as soon as a table is built. I have written a trigger to do the same which uses the insert statement and ...
i need to add a computed field in a sqlserver table that shows me if the other fields of the table are empty or full (all, some of them, none)
the field should contain:
0=all the fields are empty(...
Hi could you please suggest I am trying to check if count =2
When Condition meet (DA.matr_ID = '478') or (DA.matr_ID = '40') then
insert into table, but in any condition like (DA.matr_ID = '479') ...
How to rewrite a trigger to avoid the error "BB_BASKET is mutating, trigger/function may not see it"
Homework instructions: Create a trigger named BB_SALESUM_TRG that updates the BB_SALES_SUM ...
I have a small system that I've had to create for an assignment. It's meant to make viewing relevant data in the database easier for "management".
I have three tables:
CLIENT just contains a ...
For some reason I'm having a hard time fully understanding triggers. For my homework assignment I need to create a table that holds product id, total sales, and total quantity sold for each product (...
I have these two tables
How can I create a trigger to update by 1 the total amount of article every time someone published an article on it?
I'm developing a Java web application which uses the Spring framework and JPA to store data in an Oracle database.
The application has an audit log, which is updated by triggers, which read the ...
I have the following table called Manager:
Store | Person
ABC Ms. Elara
XYZ Mr. Saros
DEF Ms. Orion
I am learning about triggers in PostgreSQL and I am trying to write a ...
I am currently not able to get a trigger working in Oracle SQL. I am trying to compare values across tables. More specifically, I want to see if a date is bigger / later than another date, depending ...
When I try to update the values in tables and after an update, trigger get fire automatically I'm not able to update this as I'm getting error ERROR 1093: 1093: You can't specify target table 'uim' ...
A trigger seems to be ignoring the 'when condition' in my definition but I'm unsure why. I'm running the following:
create trigger trigger_update_candidate_location
after update on candidates
I want to send a push notification from a firebase trigger to an apple iPhone using typescript.