Database Systems

Data Model

22 June 2026·12 mins· loading

Database Systems Database Data Model Entity-Relationship Model Object-Oriented Model Relational Model Hierarchical Model Network Model UML ER Diagram

A set of concepts for describing data, relationships between data, data meaning (semantics), and data constraints.

Relational Databases & Database Design

21 June 2026·8 mins· loading

Database Systems Relational Databases Database Design Relational Keys Integrity Constraints Database Schema

A database that represents data in tables, where the tables are connected by the same/common values in related columns.

Basic Database Concepts

20 June 2026·8 mins· loading

Database Systems DBMS DDL DML

Database systems are critically important in the development of software engineering, and databases serve as the foundation for information systems and fundamentally change how many organizations operate.

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