Answer:
Pong
Explanation:
In 1958, a physicist created a tennis game in which he found the very first video game.
Tell someone you're close to, and see what advice they have. It's best to ignore the person until then.
Explanation:
Both Primary Key and Candidate Key are the attributes that are used to access tuples from a table. These (Primary key and Candidate key) are also can be used to create a relationship between two tables.
- A Candidate Key can be any column or a combination of columns that can qualify as a unique key in the database. Each Candidate Key can qualify as a Primary Key.
- A Primary Key is a column or a combination of columns that uniquely identify a record. The primary key is a minimal super key, so there is one and only one primary key in any relationship.
<em> The main difference between them is that a primary key is unique but there can be many candidate keys. </em>
I hope you find this information useful and interesting! Good luck!
Profile? Perhaps... If you go on social media sites like Facebook it's typically on your profile, right?
