1. Database Management Systems CS 420

2. Topics Outline 1. Introduction 2. HTML Review 3. VBScript 4. Access DBMS 5. Relational Database 6. Design Process 7. Active Server Page (ASP) 8. ActiveX Data Objects (ADO) 9. Implementing Web Application

3. Terminology Database –Collection of data organized in such a way that selected pieces of data can be selected and retrieved (by a computer program). You can think of a database as an electronic filing system. DB Applications –Computerized Library System –ATM –Airline Reservation System Database Management System (DBMS) –A software system that enables you to store, modify, and extract information from a database.

4. Application, DB, & DBMS Database Database Management System Application Programs

5. Database Development Process 1. Logical Design of Database  Database Design for Mere Mortals 2. Physical Implementation of Database  Using Access DBMS 3. Application Development Tools  HTML  VBScript  ASP  ADO  SQL

6. Database Development Process Logical Design –Determining & defining tables & fields –Establishing primary and foreign keys –Establishing table relationships –Establishing various levels of data integrity

7. Database Development Process Physical Implementation –Creating tables –Establishing key fields –Establishing relationships –Implement various levels of data integrity

8. Database Development Process Application development –Developing applications (programs) to allow clients to make use of the database –Customizing applications to suit individual or group users’ needs –Creating a menu to navigate through various parts of an application

9. Project Academic advisors need a database that tracks courses required by students for their graduation. The database should be able to show all courses that students have taken and have not taken, as well as the total number of semester hour credits earned.

10. Project (cont.) The database should be available on the Web, so that advisors may be able to access it using the browser. They should be able, for example, to enter a student’s full name and be display on the screen his or her course lists and their summaries.