I understand that there may be a difference in meaning or intent between the two, but are there any behavioral or performance differences between a clustered primary key and a clustered unique index?
I have a table with four columns that are all non-nullable, and the data is such that all four are needed to distinguish a unique record. This means that if I were to make a primary key, it would need ...
I'm looking for the best way to go about changing the primary key on a table in my DB without having to completely reinsert data from files again. The modification I'm going to make is going to ...
I would like to build a distributed system. I need to store data in databases and it would be helpful to use an UUID or a GUID as a primary key on some tables. I assume it's a drawbacks with this ...
I've being reading around reasons to use or not Guid and int. int is smaller, faster, easy to remember, keeps a chronological sequence. And as for Guid, the only advantage I found is that it is ...
I'm designing a database with multiple lookup tables containing possible attributes of the main entities. I'm thinking of using a 4 or 5-character key to identify these lookup values rather than an ...