Database

A database is an organized collection of data.

Description

The data is typically organized to model a real-world problem.

Database managment systems

Database management systems (DBMS) are software applications that interact with the user, other applications, and the database itself to capture and analyze data.

A general-purpose DBMS is designed to allow the definition, creation, querying, update, and administration of databases.

Well-known DBMSs include:

• MySQL
• PostgreSQL
• Microsoft SQL Server
• Oracle
• Sybase
• IBM DB2

Database schema

See Database schema.

See also

• Computer science
• Data
• Data (computing)
• Database index
• Database model
• Database normalization
• Database schema
• Graph database
• Hierarchical database model
• Information
• Microsoft Access
• Null (SQL)
• MySQL
• Object-relational impedance mismatch
• Relational database
• Relational model
• SQL
• Solution stack
• The Third Manifesto
• Unique key

External links

• Database @ Wikipedia
• Names that break databases @ Boing Boing
• Five Simple Database Design Errors You Should Avoid @ simple-talk.com
• How would you structure your entity model for storing arbitrary key/value data with different data types? @ stackoverflow.com