I have this situation: MySQL - Newbie question: Which are the PK and the FK for these tables? (take a look at the table Salaries)
Right now I hav开发者_如何学编程e a table for Photos. I expect this table to be hit a lot. Will I improve performance if I break it out into 3 tables if, for exmaple, I have 3 different types of photo
This seems like it\'d be a common question, but I cannot find it.Perhaps \"system value\" 开发者_开发技巧is the wrong phrase.
When designing database tables for a fresh new project, is it good practice to add a last_modified column, which auto-updates, for every table?
There are couples of questions around asking for difference / explanation on identifying and non-identifying relationship in relationship database.
I am setting up a system to host WordPress blogs for users of a site I run. Right now, things are functioning pretty well within one database and different blogs running with their own prepended table
Looking for industry/stan开发者_JS百科dard data model for biological classification. WikipediaThe main approach is the GeneOntology (GO) http://www.geneontology.org/. This is one of a series of carefu
I need to store a large table (several millions or rows) that contains a large number of user-defined fields (not known at compile time, but probably around 20 to 40 custom fields). It is very importa
We are building a set of features for our application. One of which is a list of recent user activities ala on SO. I\'m having a little problem finding the best way to design the table for these activ
I\'m designing a DB and would like to know the best way to store this: I have an user table and let\'s say it can have 100 item slots, and I store an ID.