Database schema: describes the structure of the information within a database system. The schema is formalized using integrity constraints, which may be expressed as a series of sentences to describe the data, structure of the database and properties of the database.
2
votes
0answers
48 views
StackExchange clone: where should I add my indexes? [migrated]
I'm creating an open source stack exchange clone and the following is my schema. What should I add indexes on for it to be optimal?
Here is the schema in Rails format (SQL format below as well):
...
1
vote
1answer
69 views
Database schema suggestions for a Minecraft logging plugin
This is my attempt at creating a database schema for a Minecraft logging plugin. I'm by no means a SQL expert, so suggestions would be greatly appreciated.
--
-- Table structure for table `actions`
...
5
votes
1answer
177 views
MySQL one-to-many relationship - is this the right way?
I'm currently working on a logfile parser for a pretty old videogame called 'Team Fortress Classic' which can be compared to Counter-Strike 1.6 and is available on Valve's Steam platform.
I started ...
2
votes
3answers
61 views
Is this a good schema to allow adding tags to entities in unrelated tables
I'm implementing a "tags" features to an already working solution.
Final users need to be able to add tags to three separate sections of the solution:
Posts, Accounts, and Groups
Each section has ...
1
vote
1answer
528 views
A database schema for an online rental store [closed]
I am creating an online rental store using the following:
JSF 2.1
Hibernate 4.2
Spring 3.2
MySQL 5.5
Below is my database schema design:
Link in case image not displayed.
The rental user has ...
1
vote
1answer
141 views
Keeping track of people's relationships in MySQL using a people relation table?
I am trying to track relationships among people. I came up with my own solution, but wondering if there might be another way or better way of doing this. To keep it simplified, I'll post just the bare ...
1
vote
0answers
61 views
Python MongoDB Schema feedback
I would dearly love some feedback on the model below. Its a basic commenting structure where Users can comment on a variety of objects in the model. I have denormalised to make querying simpler, but ...
2
votes
2answers
272 views
My database schema [closed]
I'm not sure if this would be okay to put here since it doesn't have code to look at, but this is my database I'm trying to create for an online firearm store. I'm new to database design and ...
3
votes
1answer
208 views
Is my ERD design for “Adding Friends Capability” is good enough? [closed]
I have a school project to create a simple networking site, And I want to know if my database design is good. I'm open for any suggestions to improve my design thanks!
10
votes
3answers
144 views
Object database schema, should i split my tables?
I have a database schema for a game to hold save files where some tables have a one-to-one relationship to Classes. And i was wondering if i should split up some tables.
Example troop_class table. It ...
3
votes
1answer
526 views
Schema for Google Docs-like Sharing
I want to allow users to share documents (and other stuff) in a database-driven application.
I have designed the following schema to allow for this (postgresql). Some of the tables like Party are ...
3
votes
2answers
223 views
A database schema for articles and their revisions [closed]
I'm designing a super simple web application for creating articles. All articles on this site can be edited by different people and each edit is a revision. Using an RDBMS, this is my schema:
...
1
vote
1answer
103 views
SQL table normalization upto what extent [closed]
I have an asp.net form which contains like 5 tabs and each tab has at least 15 fields in it. They all belong to one record so for the sake of simplicity lets call the PK as RecordId. Now i have 2 ...
2
votes
1answer
225 views
Database Design Review [closed]
I'm trying to design a database structure that could be used to store information on any topic. I know that a wiki does this but I'm looking for a more structured way to store the information so I ...
3
votes
3answers
381 views
How could I improve my database schema?
I'm a student and I've created this MySQL database schema for my Service Order Management academic project and I want to know if I need to improve it and, if so, how I could do that.
Thanks for your ...
2
votes
2answers
832 views
review ERD for website [closed]
I am a noob and would like some help with the erd for a website I am building.
There are roles for the users that participate in the board. I'm not sure I have that down correctly.
I realize that I ...
3
votes
2answers
295 views
Creating contact tables [closed]
I have a module in my college project for managing Contacts.
I'm confused on how to design the contact table.
One contact can have multiple email, mobile, website addresses.
So I have created two ...
4
votes
5answers
2k views
Database schema for a school
Here is the database query needed to create the database:
create table Area
(
AreaId int primary key identity(1,1),
Name nvarchar(64) not null
)
create table Level
(
LevelId int primary key ...
