Address field of a person should not be part of primary key, since it is likely to
If in JOIN operation, conditions of JOIN operation are not satisfied then results of operation is
A set of relation schemas that also allows to retrieve information easily, is task done by
In a given relationship R, if an attribute A uniquely defines all other attributes, then the attribute A is a key attribute which is also known as the _________ key
Tape storage is referred to as __________ storage
___________ is popular for applications such as storage of log files in a database system, since it offers the best write performance
A table is in 3NF if it is in 2NF and if it has no ____________