Tagged Questions

A schema of a database system is its structure described in a formal language supported by the database management system (DBMS) and refers to the organization of data to create a blueprint of how a database will be constructed (divided into database tables).

learn more… | top users | synonyms

0
votes
2answers
494 views

How wrong is my web app modeling schema?

So, I'm about to write a quite simple web application, I am currently working actively on the database schema, and I need help to avoid major drawbacks. I've been programming (php) for a few years ...
6
votes
3answers
2k views

How to version control PostgreSQL schema with comments?

I version control most of my work with Git: code, documentation, system configuration. I am able to do that because all my valuable work is stored as text files. I have also been writing and dealing ...
4
votes
2answers
3k views

MySQL Database Schema for Train Timetables

I am interested in what a MySQL database schema would look like for a train timetable. Generally this is presented in table format as the final result. Train No. 11111 22222 11111 Train Day ...
9
votes
3answers
374 views

How-to implement an entity with an unknown maximum number of attributes?

I am designing a baseball simulation program and I have run into a problem with designing the boxscore schema. The problem I have is that I want to track how many runs are scored in each inning. The ...
3
votes
3answers
496 views

Storing a large number of small size entries in MySQL

I have a database that stores readings from numerous gauges. Depending on the gauge, there may be data for that gauge every 1-5 minutes with multiple readings (i.e.- weather station and it stores 5 ...
7
votes
2answers
1k views

Schema to support dynamic object properties

I'm working on an editor that enables its users to create "object" definitions in real-time. A definition can contain zero or more properties. A property has a name, a type and possibly a default ...
55
votes
5answers
4k views

How can a group track database schema changes?

What version control methodologies help teams of people track database schema changes?