Question 376 A tuple relational calculus query is expressed as ___ A {T | p(T)} B { P() | T } C { p() | T} […]

Question 378 In SQL-the function -avg,min,max,sum,count are called as ____ A Aggregate function B Adjunct function C Scalar operation D Set Operation Database-Management-SystemSQLCIL 2020 Question 378 […]

Question 381 In database management system ACID property refers to: A Authenticity, consistency, Isolation and Durability B Atomicity, Confidentiality, Isolation and Durability C Atomicity, consistency, Isolation […]

Question 382 A ____ of a relation is a set of one or more attributes whose values are guaranteed to identify tuples in the relation uniquely. […]