Foreign keys are the columns of a table that points to the primary key of another table. They act as a cross-reference between tables.
In detail : A Foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table or the same table. In simpler words, the foreign key is defined in a second table, but it refers to the primary key or a unique key in the first table.
Football or Soccer is the most popular sport worldwide. This game has an estimated following of 4 billion which is followed by Cricket which has 2.5 billion estimated followers.
Separation of an employee exists when the service of an employee comes to an end because of one reason or other. "Separation of employment" refers broadly to the process of managing the termination of employment. It is a sensitive issue for any organization.
Types of separation:
1) Volunntary:
a) Resignation b) Job abandonment c) Retirement
2) Involuntary:
a) Layoff b) Dismissal c) Plant closure d) Death or Disability.
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