Note: If the answer is other, please write the correct answer

1 point Keys are important to link tables together why? Creating Well maintained system System need keys to identify each table a side Tables are linked to provide good services Other: Null value is required in case of 1 point fields can't be left empty It is a major data entry attribute None of the aove Other: Domain means attributes data types * 1 point True False Other: 1 point Tables built must be done in isolation mode than others * True False Maybe Other: Database logical schema presents the point entire overview of the system True False O Other