1. MIS2502: Data Analytics MySQL and MySQL Workbench
Zhe (Joe) Deng

2. MySQL is a database management system (DBMS)
Relational database engine that creates, reads, updates, and deletes data from a database
Database server that responds to queries from applications
The server
Software specifically built to provide services to other applications
Examples
File server
Web server
Application server
Database server

3. Example: The web server
The web server “serves” web pages to the web browser
The web browser allows the user to interact with the server
The web browser is the “client” (software making the request)
Google’s Web Server
REQUEST:
RESPONSE:

4. Interacting with MySQL
The client can either be a business application or a utility
We’re going to use MySQL Workbench
MySQL Database Server
Request
SQL statement or query
Response
Results (data and status)

5. MySQL Workbench
Software that enables the user to interact directly with the database
Create and execute SQL commands
View query results
It is NOT the database management system!
It has some other features too
Reverse engineer a schema from a set of tables
Create a database from a schema
Generate SQL automatically

6. MySQL Workbench is a development tool
It aids the creation and maintenance of databases
It isn’t meant for business users
Or even most corporate users
For that, we’d construct an application
You don’t interact with Amazon’s database directly
You do it through Amazon.com
Placing an order at Amazon
You don’t interact with Temple’s database directly
You do it through Owlnet
Registering for a course
Why do we create applications for users, instead of allowing direct database interaction?

7. Amazon.com database server
An example: Amazon.com
The customer’s interaction with the database is handled through the web and application servers.
SQL
Results
Your web browser
on your phone, laptop, desktop computer
Amazon.com web server
serves the familiar web interface you know
Amazon.com application server processes orders, maintains your cart, and makes recommendations
Amazon.com database server
stores customer, product, and order data

8. MySQL Workbench interacts directly with the database management system
An example: Amazon.com
MySQL Workbench interacts directly with the database management system
SQL
Results
Your web browser
on your phone, laptop, desktop computer
Amazon.com web server
serves the familiar web interface you know
Amazon.com application server processes orders, maintains your cart, and makes recommendations
Amazon.com database server
stores customer, product, and order data

9. Bottom line
Database management systems like MySQL are an essential part of software applications
They provide a database engine to store, process, and retrieve the data
And they provide a database server to manage interactions with other software through SQL
We will be using MySQL Workbench
It’s the client that allows us to interact directly with the database