Question 338 The physical location of a record is determined by a mathematical formula that transforms a file key into a record location is: A B […]

Question 341 ALL or NONE refers: A Consistency B Isolation C Durability D Atomicity Database-Management-SystemTransactionsTNPSC-2017-Polytechnic-CS Question 341 Explanation:  There are four properties of transactions that must […]

Question 342 “X is not a proper subset of any Key” is a 3NF violation called as: A Partial dependency B Total dependency C Transitive dependency […]