Methods to Design a Database
Most designs use these two method when database designing is concerned.
- Entity relationship modeling: In this method, things that are interrelated in some interest will be dedicated to some domain. In other words, data are classified into entities with each entity having data that are related to each other in a specific manner which will be specified. This is done to signify real-life objects.
- Normalization: A relational database is structured into tables and columns and are linked together based on their relationship. This is done so to reduce the redundancy of information and to increase the integrity of the data.
Learn How To Design A Good Database Design
For a company dealing with huge bulks of data, it is a must to have a good database design to make sure no mistakes are made when using these data.The design must be made to make sure it can handle information accurately, queries should be carried out without any mistakes and swiftly, moreover, information entries should also be able to be performed swiftly with no redundant information.
A database design has to make sure the structure is able to provide and keep up with the work of the company without bringing them any burden or mistakes.
Table of Content
- What is Database Design?
- Methods to Design a Database
- Phases of a Database Design
- 1. Conceptual Phase
- 2. Logical Phase
- 3. Physical Phase
- Steps to Designing a Database
- 1. Know Why You Need A Database
- 2. Collect the Necessary Data
- 3. Distribute the Data into Tables and Columns
- 4. Primary key and Composite key
- 5. Define the Relationship of Your Entities in the Table
- 6. Experiment With the Design
- 7. Implement normalization rules
- Conclusion
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