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
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
Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter7: Introduction To Structured Query Language (sql)
Section: Chapter Questions
Problem 66C: The following tables provide a very small portion of the data that will be kept in the database....
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A DreamHome
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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