August 9, 2024KeysQuestion 3 A primary key for an entity is A A candidate B Any attribute C A unique attribute D A super key Database-Management-SystemKeysAPPSC-2016-DL-CA Question 3 […]
August 9, 2024Database-Management-SystemQuestion 379 A ___ is the combination of one or more column values in a table that make a row of data unique within the table […]
August 9, 2024ER-ModelQuestion 14 Consider the following ER diagram Which of the following is a correct attribute set for one of the tables for the correct answer to […]
August 9, 2024Database-Management-SystemQuestion 902 Given the basic ER diagram and relational model , which of the following is incorrect? A An attribute of an entity can have more […]