Question 1
Which SQL clause is used to filter records based on a specified condition?
Question 2
What is the purpose of the SQL $\text{JOIN}$ operation?
Question 3
Which SQL function is used to calculate the total number of rows in a result set?
Question 4
What does the SQL \text{GROUP BY} clause do?
Question 5
Which SQL function allows you to perform calculations across a set of rows related to the current row?
