A database is a structured collection of records or data that is stored in a computer system. The structure is achieved by organizing the data according to a database model. The model in most common use today is the relational model. Other models such as hierarchical model and the network model.

Database Concepts

• Types of Databases
• What is RDBMS?
• Codd’s Rules
• Conceptual Model
• Normalization
• Logical Modeling
• Physical Modeling
• SQL Constrains