Question 594 Consider the schema R=(A, B, C, D, E, F) on which the following functional dependencies hold : A➝B B,C➝D E➝C D➝A What are the […]

Question 595 Data Scrubbing is A A process to upgrade the quality of data after it is moved into a data warehouse B A process to […]

Question 597 Factless fact table in a data warehouse contains A only measures B only dimensions C keys and measures D only surrogate keys Database-Management-SystemData-ware-housingUGC NET […]

Question 598 Consider the following tables (relations): Primary keys in the tables are shown using Underline. Now, Consider the following query: SELECT S.Name, Sum (P.Marks) FROM […]