A DreamHome database has following tables. Branch (branchNo, street, city, postcode) Staff (staffNo, fName, lName, position, sex, DOB, salary, branchNo) PropertyForRent (propertyNo, street, city, postcode, type, rooms, rent, ownerNo, staffNo, branchNo) PrivateOwner (ownerNo, fName, lName, address, telNo)   How many rows and columns are there in the relation Branch X Staff, if Branch has 20 tuples and Staff has 15 tuples. ( ) 35 rows and 300 columns ( ) 300 rows and 35 columns ( ) 300 rows and 12 columns ( ) 35 rows and 12 columns

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A:

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