Question: 3. If the relation R from Question 2 were implemented as a MySQL table, then how many rows would the following query produce? SELECT *
3. If the relation R from Question 2 were implemented as a MySQL table, then how many rows would the following query produce? SELECT * FROM (SELECT A, B FROM R) AS T1 Right Outer Join (SELECT A, C FROM R) AS T2 ON T1 . A=T2.A; (a) 0 (b) 3 (c) 4 (d) 5 (e) 9
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