1. FORM AND DATABASE DESIGN Mert Yüksel Levent Bilen

2. What is database? Database  Manage information  Retrieving information  Strore information

3. Why Do We Use Database?

4. Why Do We Use Database SINGLE USER  Faster update  See informaion Easily. MULTI USER  More complex  Take report Easily  Share Data  Decrease data again

5. Advantages Of Database  Common Use  To Save Space  Easy To Update  Easy To Access  Security

6. DataBase Design-Design Process  It is the process of producing a detailed data  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.  Determine and stored in the database  Determine relationships between the different data elements  To impose a logical structure over the data on the basis of these relationships.

7. Database Table  It include of coloums and rows.  Coloumns contains a different type of attribute.  Each row have to a single record. Features

8. PRIMARY KEY: SSpecial keys UUnique identifier İİt is not null OOne primay key in the table

9. EXAMPLE FIELDP.KTYPEDESCRIPTION TC_No*TC Kimlik No of the employee NameChar SurnameChar SSNChar Birth_DateDate SexCharM of F Marital_StatusCharMarried, Divorced, Single, Widowed Ed_TypeChar PictureCharPath to the picture of the employee on the server StatusChar

10. NORMALIZATION: İİt is a technique for designing relational database table IIt is the process of database schema

11. FIRST NORMAL FORM

12. SECOND NORMAL FORM

13. FIRST STAGE

14. SECOND STAGE

15. THIRD NORMAL FORM

16. FIRST STAGE

17. SECOND STAGE

18. AN INTRODUCTION TO FORMS

19. UUser have to know when the form will finish FORM

20. Form designer have to make help information and warning

21. Provide a clear confirmation message

23. Make good user interface