Dec 3, 2008 · I follow a few rules: Primary keys should be as small as necessary. Prefer a numeric type because numeric types are stored in a much more ...

Nov 27, 2010 · I believe that in practice using a natural key is rarely better than a surrogate key. The following are the main disadvantages of using a ...

Jul 10, 2014 · You have actually asked several questions: If there are multiple columns (or sets of columns) that are unique from the logical standpoint, ...

May 26, 2019 · I wonder what would be best in a postgresql database when using primary keys. IF there is a table with two UUID's columns like user1 and user2, ...

Feb 16, 2020 · "For Primary Key = entry id For Candidate Key, I will pick username & and entry ID." A relational PK is a CK & a CK cannot contain another CK.

Oct 24, 2009 · It depends. Sometimes, as Jeff's blog post clearly indicates, it can provide a (significant) performance boost. But as a general rule, ...

Dec 23, 2011 · Choosing the primary key ... I'm doing a project where i have to make a site almost like wikipedia, but while making the database i've stumbled ...

Dec 20, 2022 · In this article, I'll cover the different options for a primary key to help you make the right decision for each one of your database tables.