Answer:
IBM Automatic Sequence Controlled Calculator (ASCC)
Answer:
Basically it creates a unique identifier for each row in your table and that can help you link your table to other tables using primary key as link
Explanation:
"Primary key allows you to create a unique identifier for each row in your table. It is important because it helps you link your table to other tables (relationships) using primary key as links."
Answer:
The answer to this question is DVD and DVD-RW
Explanation:
Know the numbers and info
