In a Relational Database,requiring That Every Record in a Table

question 98

Multiple Choice

In a relational database,requiring that every record in a table have a unique identifier is called the

• A)entity integrity rule.
• B)referential integrity rule.
• C)unique primary key rule.
• D)foreign key rule.

---

Definitions:

Swivel Chairs

Chairs designed with a single central leg that allows the seat to rotate 360 degrees, often used in office environments for mobility and comfort.

Allowable Decrease

In linear programming, it is the maximum amount by which the value of a decision variable can be reduced without changing the optimal solution.

Swivel Chair

A chair that rotates horizontally, typically on a single central leg, allowing the user to turn in any direction.

Net Profit

The financial gain remaining after subtracting all expenses, taxes, and costs from revenue; a key indicator of a business's profitability.