1. Data Base

2. Creating Tables 
1- Create a windows form application Form Go to project ----> right click
---> add ----> new item
---> service based database   this will create files with extension .mdf

4. Create tables
3- Project -----> add new data source ----> choose data base ---- click Next ----> Next  ----> Finish 

5. 4- to create table go to server explorer ( get it from view) Go to data connection  Double click  Go to table  Right click on table  Click on add new table

6. Add attributes
Add primary keys to chosen attributes