Introduction to Databases for Beginners
In this presentation, you will learn the basics of how databases work and how to create and manage databases I Microsoft Access. You will learn how to write SQL Queries including
- SELECT Queries
- INSERT Queries
- UPDATE Queries
- DELETE Queries
You will also learn how to Create Primary Key and Foreign Key as well as how to create relationships between the two tables
What you will need.
- Microsoft Access
- Basic Computer literacy
- Knowledge of Windows (the demo is done on windows)
Steps to Follow
- Open Microsoft Access
- Create a database and give it a name
- Create a table and rename it to tblStudents. This table would hold the student information
- Create a second table and rename it to tblFaculties. This table would hold information about the faculties.
- Create a Primary Key RegistrationNumber in the tblStudents table
- Create a Primary Key FacultyCode in the tblFaculties table
- Add three records to each of the table
- Add a foreign key FacultyCode to the tblStudents table.
- Create a relationship between the two tables using the FacultyCode Foreign key. To do that, follow the instructions below
- Click on Database Tools tab in the Ribbon
- Click on the Create and choose relationships
- Select the two tables in the dialog box that appears and click on ADD
- Close the dialog box
- Drag the Primary Key column (FacultyCode) from the tblFaculties table to the corresponding Foreign key in the tblStudents table
- Click ok in the dialog box that appears
- If you have successfully created the relationship, then open the tblFaculties table and make sure that the relationships is properly created
I hope you have learned how to create databases as a beginner. You can leave a comment to let me know how helpful this was to you
