How to properly create composite primary keys – MYSQL
Here is a gross oversimplification of an intense setup I am working with. table_1 and table_2 both have auto-increment surrogate primary keys as … Read more
composite-key
How to map a composite key with JPA and Hibernate?
In this code, how to generate a Java class for the composite key (how to composite key in hibernate): create table Time ( … Read more
How do I specify unique constraint for multiple columns in MySQL?
I have a table: table votes ( id, user, email, address, primary key(id), ); Now I want to make the columns user, email, … Read more