Consider the following tables: Country A Country B CountryCode Country Capital IndependenceYear CountryCode CountryName City Independence 388 Jamaica Kingston 1962 8. Albania Tirana 1912 8 Albania Tirana 1912 499 Montenegro Podgorica 2006 50 Bangladesh Dhaka 1971 504 Morocco Rabat 1944 148 Chad N'Djamena 1958 How many tuples result from the following SQL? (SELECT * FROM CountryB) INTERSECT (SELECT * FROM CountryA); None. The SQL is correct, but no None. The SQL is illegal, because the column names do not match. O 5 O 3 1 O 2

Consider the following tables: Country A Country B CountryCode Country Capital IndependenceYear CountryCode CountryName City Independence 388 Jamaica Kingston 1962 8. Albania Tirana 1912 8 Albania Tirana 1912 499 Montenegro Podgorica 2006 50 Bangladesh Dhaka 1971 504 Morocco Rabat 1944 148 Chad N'Djamena 1958 How many tuples result from the following SQL? (SELECT * FROM CountryB) INTERSECT (SELECT * FROM CountryA); None. The SQL is correct, but no None. The SQL is illegal, because the column names do not match. O 5 O 3 1 O 2

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter12: Subqueries And Merge Statements

Section: Chapter Questions

Problem 19MC

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