Module 8: Database Design

CMPS 160: Databases


In this module, we will learn how to design a new database. This is useful information to understand how to gather requirements and develop a practical database. Database design consists of important steps of designing a data structure, identify data elements, design tables and assign columns, identify the primary and foreign key relationships, understand how to normalize a structure and identify indexes that are required.

We will learn how to create a database by writing DDL (Data Definition Language) to create scripts that will generate a database. Understand the different methods of adding tables and indexes.

Module Objectives

  • Learn the specifications for a database, identify the tables, columns, keys, relationships, and indexes for the database.
  • Learn the tables for an unnormalized database, normalize the structure to the third normal form.
  • Use MySQL Workbench to create or work with an EER(Enhanced Entity-Relationship) model for a database and any EER (Enhanced Entity Relationship) diagrams that are associated with the model.
  • Learn the design for a database, write DDL (Data Definition Language) statements to create tables, constraints, and indexes that are required.
  • Learn how different types of constraints restrict values that can be stored in a table. ( not null, unique, primary key and foreign key)
  • Understand the difference between column level constraints and table-level constraint.
  • Learn the use of an index
  • Learn the use of a script for creating the tables of a database.

Learning Resources

  • Module 8 Readings: Chapter 10
  • Module 8 Slides: Chapter 10

Learning Activities

  • Module 8 Quiz: Chapter 10


How to create a database design:

For Further Study

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