Course Overview
This lesson introduces students to the core concepts of Database Management Systems (DBMS), which are essential for organizing, storing, and retrieving data efficiently in modern ICT systems. Students will begin by understanding the purpose and importance of databases in real-world applications.
Key topics include the characteristics of databases, database models (hierarchical, network, relational), and the structure of a relational database using tables, records, and fields. The lesson also covers data types, keys (primary, foreign, and composite), relationships between tables, and normalization up to the 3rd normal form.
Students will learn to use SQL (Structured Query Language) to perform operations such as creating tables, inserting data, retrieving information with SELECT queries, and updating or deleting records. Emphasis is placed on query writing, data integrity, and good database design practices.
By the end of the lesson, students will be able to:
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Understand the role and components of a DBMS.
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Design relational databases using proper data structures and keys.
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Apply normalization techniques to remove redundancy.
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Use SQL to create and manage databases.
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Analyze database problems and provide efficient solutions.
