Study tips 1Z0-882

What is the result?

Which two queries return a value of NULL?

What happens if a prepared statement named countryByID already exists when the above statement is executed?

Which statement describes the process of normalizing databases?

Which two statements return two rows each?

What is the effect?

Which statement is true?

What is the outcome of the CREATE TRIGGER statement?

Which three queries produce the same result?

Which statement correctly demonstrates using a subquery as a scalar expression?