4 6 4 8 3 5 7 9 5 4 5 6 2 4 2 6 1 3 5 7 3 2 3 4 7 6 5 4 4 3 3 3 2 2 2 1 Sum of last four digits from the right end = 2 + 2 + 2 + 1 = 7.
Which of the following best describes the primary function of a database index?
Which of the following commands is part of the Transaction Control Language (TCL) in SQL?
In the context of a relational database, which of the following is NOT a characteristic of a candidate key ?
Which SQL query will correctly calculate the average salary of employees in each department and group them by department in a table named 'employees'?
