All of the following can uniquely identify a row in a table, except:

Based on the sales company diagram: Which entity represents the transaction between a customer and the car sales company?

Based on the sales company diagram, can a car be associated with multiple sales?

All of the following are advantages of distributed databases, EXCEPT:

Which operation creates a table using each possible pair of rows from the two tables?

Based on the sales company diagram: What is the primary key of the “Customer” entity?

In functional dependencies, when a column is dependent on a portion of the primary key, this dependency is called:

A transaction is updating one of the tables in the database. Which of the following techniques can prevent other transactions from updating the same table?

Distributed DBMSs can divide logical objects among various locations and manage them. This is known as:

Which of the following is an example of an update anomaly?