1. FORM AND DATABASE DESIGN

2. A GENERAL INTRODUCTION TO FORM AND DATABASE DESIGN

3. What is database? Database features  Storing information  Managing information  Retrieving information

4. WHAT IS DATABASE DESIGN?  It is the process of producing a detailed data model of a database.  This logical data model contains all the needed logical and physical design.  Database design can be used to describe many different parts of the design.

5. DESIGN PROCESS  Determine the data to be stored in the database  Determine the relationships between the different data elements  Superimpose a logical structure upon the data on the basis of these relationships.

6. DATABASE TABLES:  It consists of coloums and rows.  Coloumns contains a different type of attribute.  Each row corresponds to a single record.

7. DATABASE QUERIES:  It is the primary mechanism.  It consists questions.

8. WHAT IS DATABASE FORM?  It facilitate database data entry.  It has retrieval operations.

9. PRIMARY KEY:  It is a unique identifier.

10. NORMALIZATION:  It is the process of structuring database schema.

11. FIRST NORMAL FORM FIRST NORMAL FORM MODEL ORDER#CUSTOMER CONTACT PERSON TOTAL 1Acme Widgets Jhon Doe$134.23 2ABC Corporation Fred Flinstone $521.24 3Acme Widgets Jhon Doe$1042.42 4Acme Widgets Jhon Doe$928.53

12. SECOND NORMAL FORM This relation is 1NF but not 2NF: ORDER#CUSTOMER CONTACT PERSON TOTAL 1Acme Widgets Jhon Doe$134.23 2ABC Corporation Fred Flinstone $521.24 3Acme Widgets Jhon Doe$1042.42 4Acme Widgets Jhon Doe$928.53

13. FIRST STAGE CUSTOMERCONTACT PERSON Acme WidgetsJhon Doe ABC CorporationFred Flinstone Acme WidgetsJhon Doe Acme WidgetsJhon Doe

14. SECOND STAGE ORDER#CUSTOMERTOTAL 1Acme Widgets$134.23 2ABC Corporation$521.24 3Acme Widgets$1042.42 4Acme Widgets$928.53

15. THIRD NORMAL FORM THIS TABLE IS NOT IN THIRD FORM! COMPANYCITYSTATEZIP Acme Widgets New YorkNY10169 ABC Corporatio n MiamiFL33196 XYZ, Inc.ColumbiaMD21046

16. FIRST STAGE COMPANYZIP Acme Widgets10169 ABC Corporation33196 XYZ, Inc.21046

17. SECOND STAGE CITYSTATEZIP New YorkNY10169 MiamiFL33196 ColumbiaMD21046

18. AN INTRODUCTION TO FORMS

19. WHAT CAN A FORM DESIGNER DO?  user have to know whether how much time will it take to fill the form:

20.  Get the point.  Add help information.  Use tables for alignment.  Provide a clear confirmation message  Layout of form elements