what is to be done if I want to start the numbering from 100

Question

primary key

Answer 1

table

Answer 2

mayby "LIMIT 100, %"?

Answer 3

Ok

Answer 4

I think you define the column as identity (100,n) where n is increment value after every record you enter. For example if you did identity(100,1), the first record would be 100 and the second one 101.