Question

please give the answer immediately​

Answer 1

first step go to Microsoft word 20.. and then click on create table then design your data table , in design view u will get the option of editing .

To edit your records u can go to the table and edit them .

Primary key will not allow u to type anything that had already been type for example in railway stations , if the numbers are already given for some other passengers and u also have the same there might a confusion therefore primary key is being used to control the confusions .