Is it a good practice to use table prefix while designing database? For table like, \"user_detail\" I use column names like ud_name, ud_email etc.
I know generally its not good idea to have a DateTime column as your PK, however for my situation I believe it makes more sense than having a surrogate key in the Fact Table.
I am building a gaming system where many players can play some sort of table game together. There could be hundreds of game tables at the same time. The system consists of several components where the
I have 2 tables, both relate to eachother as 1:1 -> Country and National_Anthem. Both are in separate tables because I need to store their own metadata.
EDIT: Although original question is DB agnostic.. following conversation in comments with OP. The question is slightly more DB specific.
For sake of simplicity let\'s say I have a questionare. Each answer gains a score. Some questions are qualitative so user must choose between one of the text answers.
I\'m trying to design a MySQL database to store user zipcode preferences for开发者_Go百科 providing a particular service. For example, user A who is a plumber is willing to travel to x,y, and z zipcod
I am writing an application to manage parties. I have some basic tables: USERS : People who have registered to use the application
Designing an object stor开发者_如何学Goe for ~10B objects and using mySQL for storing metadata. We know we need to shard and are looking for general heuristics to scale. Would appreciate pointers and
I am currently working on a project in which we need to keep multiple versions of a given entity in the database.