I'm modelling data with multiplicity like this: Each Composition/Anthology related pair must share a Composer. Also, each Anthology must contain at least one Composition. How would you recommend I ...
I want to implement class either-or table inheritance (Account, CatAccountDetails, DogAccountDetails) in SQL Server. I found a recommendation for MySQL here (How do I map an IS-A relationship into a ...
This is my first question, forgive me if this question is simple. I'm stuck here, trying to implement the relations for the data represented below. I want to scale it vertically (new rows), instead of ...
The official PostgreSQL documentation states that pg_dump can use the --schema=SCHEMA option to selectively dump a given schema. However according to the same documentation (read Note on ...
here is structure of both tables category table CREATE TABLE category ( `catID` bigint(20) NOT NULL AUTO_INCREMENT, `title` varchar(60) NOT NULL, `created_at` timestamp NOT NULL DEFAULT ...
I actually want to get rid of the existing constraints in the database which I know sounds crazy but we are upgrading our application to a new framework which relies on the foreign key constraint ...