I have a contact form on my website that writes to a mysql database. The database has been setup and is being written too correctly but I am unsure whether I have setup the field types in a correct m
I have the following tables: trainers, trainees and health professionals. I need to incorporate the mailing list开发者_JS百科 field into each of them to flag those people who want to receive our newsl
I am developing a classifieds website similar to Quickr.com. The main problem is that each category requires a different set of properties. For example, for a mobile phone the attributes might be Man
I am planning a database diagram for my Rails project. I have the following entities: Answer (inherits from Post), Question (also inherits from Post) and Comment.
We have a \"reporting database\" (SQL Server 2008) to performing simplified reporting off of an application database and a few other disparate database sources.We started small, so we used simple view
I\'m creating a table of ownerships for files. A file can be owned by either a single user (table Users) or a group of users (table UserGroups). I would like to make this whole relationship as one tab
I\'m designing a schema for a learner management system. I currently have LearnerDetails table which stores below categories of information.
Let\'s say you have some number (C) of cats and some number (M) of mice and some number (H) of holes that the cats may be able to find mice in.This is just to generalize a problem and if anything that
How do I store data that is shared between databases? Suppose a database for a contact management system. Each user is given a separate database. User can store his/her contacts\' education informati
Administrative levels are common up to state for all countries and then the level varies interms ofnumber based on the country.