0
votes
2answers
53 views

What and How is the ID antipattern?

What is the ID antipattern and why / under which circumstances is it considered an antipattern? The id antipattern is having a unique ID column in each table. The ID is generated for each new ...
2
votes
2answers
38 views

best approach to keys, if data from separate DBs to be presented in same UI

Suppose we are creating databases containing information about monkeys, and a user interface to present monkey information to users. We have two separate databases. The schemas are identical (and are ...
12
votes
5answers
2k views

Sequential GUID or bigint for 'huge' database table PK

I know this type of question comes up a lot, but I've yet to read any compelling arguments to help me make this decision. Please bear with me! I have a huge database - it grows by about 10,000,000 ...
22
votes
7answers
5k views

Why should I create an ID column when I can use others as key fields? [duplicate]

Possible Duplicate: Why use an int as a lookup table's primary key? So far, I'm accustomed to creating an ID column for every table and it is practical in a way that it makes me not ...
40
votes
3answers
9k views

Guid vs INT - Which is better as a primary key?

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 ...