FORM AND DATABASE DESIGN Mert Yüksel Levent Bilen.
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Transcript of FORM AND DATABASE DESIGN Mert Yüksel Levent Bilen.
Why Do We Use Database
SINGLE USER Faster update
See informaion
Easily.
MULTI USER More complex Take report Easily Share Data Decrease data again
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.
Database Table
It include of coloums and rows.
Coloumns contains a different type of attribute.
Each row have to a single record.
Features
EXAMPLE
FIELD P.K TYPE DESCRIPTION
TC_No * TC Kimlik No of the employee
Name Char
Surname Char
SSN Char
Birth_Date Date
Sex Char M of F
Marital_Status Char Married, Divorced, Single, Widowed
Ed_Type Char
Picture Char Path to the picture of the employee on the server
Status Char
NORMALIZATION:
İt is a technique for designing relational database table
It is the process of database schema