I would like to create a trigger which gets fired once a table is created in a schema. This trigger should add a comment to the newly created table, something like: With add_comment doing somthibg like: However, it seems I can only add triggers on table level. How could I achieve to add comments to newly created tables in pure
Tag: triggers
Trigger Not Running Check Whether it is correct or not? [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed last year. Improve this question This is my trigger and its running perfectly with the help of stackoverflow.com I edit my question because of blocking. Answer There are two issues with
Failing to produce or update a table row using a trigger in SQL
I am trying to create a trigger in Oracle SQL 12c. The concept is that i have two tables, a storage table (Storage) that holds items and a delivery table (Supplier_Orders) that notes how many items(…
Postgres trigger to update counter in another table not working
There is users table and places table. The users table has column id(primary key), username, place_count. The places table has column id(primary key), name, user_id (user_id foreign key) Each user can post multiple photos and so I want the column”place_count” to keep the count of user-specific places from places table (eg, user with id 1 having place_count = 150, user
Using NEW and COPY in a Postgres Trigger
I’m trying to copy the last inserted row from a table into a csv file using a trigger. I’ve tried this in various incarnations, with or without EXECUTE but I’m still getting the error. Just cannot get it to access the NEW data. Where am I going wrong ? Answer Adrian’s answer inspired me to experiment more with the NEW
Postgresql create trigger for integrity constraint in insert / update
I have these tables on a database on Postgresql: I want to be sure that when I insert / update a value in manager_employee table both manager_id and employee_id belong to the same company, same company_id. I think I have to use a trigger to ensure this condition, how can I create it? Thanks Answer You can do it with
How exactly transactions work in Microsoft SQL Server
I’ve read that creating for insert trigger creates transaction implicitly. So I can rollback transaction from within trigger and “undo” the insert. Is that so? create trigger TRIGGER_NAME …
Replacing a subquery in a PL/SQL trigger
I have 2 tables. One called Employee and the other Employee_jobs. One of the fields in the Employee table is job_name. The Employee_jobs table contains 2 fields, job_name, and Emp_count (number of employees per job). What i’m trying to do is whenever i perform an operation on the Employee table then it would automatically adjust the Employee_jobs table. This basically
Trigger before insert in PostgreSQL and except some columns
I’m trying to write a trigger for my table. This table has 50 columns and 3 of them are timestamp type. In the future I will insert new rows and they can be duplicate of existing, so I need to compute hash of each row. My idea is to compute row’s hash in each insertion and check it’s existing, that’s
Trigger is not called on update table in oracle
I’m trying to make a trigger that updates the ID_ABONAMENT from the CONTRACTE table, when the ABONATI table is updated. The problem is that the trigger is not called when I update a row in the ABONATI …