Define the primary key. Write the importance of the primary key with suitable examples.

Define the candidate key. Write the importance of the candidate key with suitable examples.

Define the alternate key. Write the importance of the alternate key with suitable examples.

Write a short note on Field in MySQL.

Write a short note on Record in MySQL.

Write a short note on Data Dictionary in MySQL.

Write a short note on Primary Key in MySQL.

Write a short note on Relationship in MySQL.