Question: Question 5. Write the query from task 4 in relational algebra 4. (3 points) What does the following SQL query return? SELECT name FROM Employee

Question 5. Write the query from task 4 in relational algebra

Question 5. Write the query from task 4 in relational algebra 4. (3 points) What does the following SQL query return? SELECT name FROM

4. (3 points) What does the following SQL query return? SELECT name FROM Employee e WHERE NOT EXISTSC SELECT * FROM screening s WHERE NOT EXISTS (SELECT * FROM ticket t WHERE e.eld-t.eId AND t.sIds.sId)) 5. (2 points) Write the query from task 4 in relational algebra

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