Which two statements are true regarding constraints?
which cannot contain null?
Which two statements are true regarding single row functions?
Which two statements are true regarding the count function?
Which statement is true regarding the outcome of the above query?
Which combination of joins used in the blanks in the above query gives the correct output?
Which statement is true regarding the outcome?
What happens when the above statement is executed?
Which two SQL statements would create the required table?
What is the reason for the error?