PHPMyAdmin

PHPMyAdmin is a web interface to a MySQL database http://gamma.lasalle.edu/phpmyadmin/

Choose a database

Create a table

Enter field/property/attributes for Person table The password and username probably belong in another table – for security reasons

A few terms VARCHAR – a string of characters (letters, numbers, etc.) with a length up to some limit Length – maximum number of characters allowed in field “not null” – you must have an entry to have a proper record Primary key – field that uniquely identifies each record Unique – the field value cannot be repeated for any other record

Result of save SQL code for creating the table

Return to database level by clicking on database name

Start next table

Location table Questions: Should the contact person be a relationship to the Person table? If Contact Person for Location is a many-to-many relationship, we might need another table.

Subject table If you had the notion of a prerequisite, the Subject table would have a relationship with itself.

Session table

Relationships in phpmyadmin Indicating that the values in the field of one table (such as Session’s LocationID) match values from another table (such as Location) is called enforcing referential integrity. Whether one can enforce referential integrity or not in phpmyadmin depends on how it was configured.

PersonAttendsSession table Might add field for registration order -- and offer prizes to the first 10 people who register. Might add a field to designate if the person actually attended. ???

Adding a field

Adding Attended field

Bool turned into tinyint

Insert some data: select table and click Insert tab

Enter Location data

Result of inserting data – shows SQL for the insert

Enter Subject data

Entering Session data

Other way to enter date

Enter Person data

Enter PersonAttendsSession data

SQL with NULL data