What Database Concept States That the Primary Key Cannot Allow

question 37

Multiple Choice

What database concept states that the primary key cannot allow null values?

• A)legal-values integrity
• B)structural integrity
• C)referential integrity
• D)entity integrity

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Definitions:

Accounts Receivable Turnover

A financial ratio that measures how efficiently a company collects revenue from its credit sales, calculated by dividing net credit sales by the average accounts receivable.

Sales On Account

Transactions where goods or services are sold with the understanding that payment will be made at a later date, typically recorded as accounts receivable.

Working Capital

Refers to the difference between a company's current assets and current liabilities, indicating its short-term liquidity and ability to fund its operations.

Financial Data

Information related to money matters of a company, including its revenue, expenses, profits, and losses.