Relational databases

Relational Databases

Relational databases are a type of database that organize data into structured tables consisting of rows and columns. :contentReference[oaicite:0]{index=0}

Each table represents a specific entity, where rows store individual records and columns define attributes of the data. :contentReference[oaicite:1]{index=1}

Features

• Data stored in tables (rows and columns)
• Use of SQL (Structured Query Language)
• Relationships between tables using keys
• Structured and consistent data model

Examples

• MySQL
• PostgreSQL
• Oracle Database
• Microsoft SQL Server

Advantages

• Easy data management and querying
• Strong data integrity and consistency
• Widely used in applications and enterprises

See also

• Database
• DBMS
• SQL
• Backend development