Tina has made a database table in access containing field name class roll number and contact number she has set primary key for the field student name has she done the right thing by setting primary key give reason

Hey i really need some solving this problem: 1. encrypt this binary string into cipher text: 110000. include in your answer the formula the decoder would use to decrypt your cipher text in the format (coded answer) x n mod (m) = y & 2. decrypt this cipher text into a binary string: 106 you.