Help create a trigger for a non-updatable view. The tables look like this. The view itself looks like this I tried to create a trigger like this. But for some reason it is not created.( Error at line 86: PL/SQL: SQL Statement ignored Error at line 94: PL/SQL: ORA-00917: missing comma) it seems to me that I we…
Tag: triggers
What’s wrong with this PL/SQL Trigger?
I have this table, and I want to create a trigger on Magazine, that verifies “after insert” if the name of the Magazine inserted is either Vogue or People. If it’s not one of them, it gets deleted. Table: MAGAZINE (ISBN, MAG_NOM, PRIX_Mois); My trigger: But the problem is my teacher told me:…
trigger created but when executed showing some errors==> ORA-04091:, ORA-06512:, ORA-04088:
I have a table called movie_cast. This table already has duplicate values(#114). act_id, mov_id are foreign keys. And I’ve created a trigger on movie_cast table called trg1. Although the trigger is been created but after execution it shows some errors My task is: I want to allow entries in this table i.…
Validation trigger not working in SQL Server
I am working on a trigger for a class project. I have a table named salesman with a column named type. All employees in the table currently have a type of full, part or temp. The purpose of the trigger is to check a newly inserted row’s type and make sure that it matches one of the three that already
Limit number of occurrences of value in a table oracle sql
I have oracle sql table of students, students are assigned to groups. I have to set constraint so there will be no more than 10 students in a group (ideally no more than N students in a group). Basically restrict table from having more than N rows with the same GROUP_ID value. Here is table declaration. IR…
Trigger for INSERT to validate input data in SQL Server?
My problem: table dbo.student has StudentID like SV001. How can I create a trigger to check data inserted into dbo.student has a StudentID that begins with SV and the numbers in the range 000 to 100? Example: SV099 is valid id to insert, while SV101 is not valid Answer Use SQL constraints: Example : Demo in d…
Trigger in SQL causing error “Product_Reorder is not a recognized SET option”
I am not getting a syntax error syntax error near ; This is referring to the ; at the end of the code. Answer Not 100% sure what you’re trying to do – you’re not giving us much to go on, either! I’m assuming you mean you want to set a column called Product_ReOrder in your table to 1 if
How to insert result of select query (with default if return no rows) as part of Postgres Function?
For my Nextjs website, I am configuring the backend to automatically add user information to a public.profiles table whenever a row is inserted into the auth.users table (automatically done through Supabase’s authentication). I have a public.college_emails table that contains the names of over 1700 coll…
Checking if date in table B is between date in Table A before inserting SQLite
I have a table called Project with start and end dates. I also have a table called Plan which have its own start and end dates column. But I some way to validate that the Plans start/end date is between the matching Project start/end date. I dont know if its appropriate to add a check when I create the table
MariaDB trigger to perform an UPDATE and then an INSERT on the same table
I currently have an account table and an account_audit table (all codes are available on a fiddle here). I have two triggers that insert records into the account_audit table based on data inserted into the account table. 1 trigger is an ON INSERT trigger which just inserts these values – that works fine…