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.
Ping and traceroute locally and on a remote server. Locally it will tell if you local setup is correct and to test your network communication it needs to travel over a network.
Answer:
<em>I </em><em>think </em><em>the </em><em>answer </em><em>is </em><em>a </em><em>bullet.</em>
<em>Hope </em><em>this </em><em>helps</em>