Designing Databases ySQL Happy Meal Example

The Setup Website for McDonald’s Happy Meal toy collectors Basic Functionality: Allow people to create site account Post info about toys Look up info about toys Trade/Post for Sale The Setup

What Data Must Site Deal In? Database to house individual data Determine how to organize it Ea. Piece of info stored: FIELD Sets of related fields: TABLE All tables together: DATABASE What Data Must Site Deal In?

Some Basic Info to Store User Info First Name Last Name User ID Password Photo Email Address Toy Info Name Collection Year Picture Toy ID Some Basic Info to Store

Way to Link the Two Tables Collection User ID Toy ID Way to Link the Two Tables

Translating to MySQL Creating Actual Database

Select Data Types for Fields varchar(40) varchar(15) mediumblob date Select Data Types for Fields

Start the WAMP & Open MySQL

Create a new DB

Name it Set collation to utf8_general_ci Press create Create DB

Select the DB (happymeals)

Fill in info Press Go Create User Table

Fill in Fields Set userid as primary Set Fields in Table

See Results

Create Toy Table Return to DB by clicking happymeal link Fill in info Press Go Create Toy Table

Fill in Fields Set userid as primary Set Fields in Table

View Results

Create Collection Table

Set Fields

View Results

Access Tables & Print from Print View Option Link

View of Whole DB

View of Individual Tables