Answer:
The answer is "Referential integrity".
Explanation:
This relates to one aspect of data integrity. Data across multiple tables are linked via relationships. In view of the distinct customer & invoice tables, each invoice table should have the primary key specified throughout the Customer table, for instance. Whenever the invoice table contains a customer ID reference. This ID including its customer will be only a table of the customer.
Answer:
On the basis of brand computer are classified as:
• IBM Personal Computers.
• IBM compatible.
• Apple/Macintosh/Acer/LG/ Samsung etc.
hope it helps
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Start menu "this pc" or "my computer"
Answer:
Information is the act of imparting knowledge and data is the recorded observation that are usually presented in a structured format
