DBMS Keys Trivia Questions and Answers PDF Download eBook p. 302
Solve Dbms keys trivia questions and answers PDF, dbms keys quiz answers to prepare data science worksheet 302 for online board exam 2022. Practice Introduction to RDBMS quiz with answers, dbms keys Multiple Choice Questions (MCQ) for online DBMS, DBA. Free dbms keys MCQs, view of data, model view controller (mvc), dbms keys test prep for bachelor's degree in computer science.
"To denote a candidate key as the principal means of identifying tuples within a relation, is known to be", dbms keys Multiple Choice Questions (MCQ) with choices unique key, super key, primary key, and superset key to study DBA certification courses. Learn introduction to rdbms questions and answers with free online certification courses for computer science programs.
DBMS Keys Questions and Answers PDF Download eBook
MCQ: To denote a candidate key as the principal means of identifying tuples within a relation, is known to be
- Super key
- Unique key
- Primary key
- Superset key
C
MCQ: In the model-view-controller (MVC) architecture, the view corresponds to the
- Interface layer
- Data-access layer
- Domain object layer
- Business-logic layer
A
MCQ: At the physical level a record can be described as a
- bit
- Byte
- Block
- Data type
C
MCQ: The values of the variables in a program at a point in time correspond to an
- Instance of schema
- Block of schema
- Point in schema
- Boundary of schema
A
MCQ: The join operation that takes all tuples in left relation that is not matching with any tuple in the right relation, is called
- Right outer join
- Full outer join
- Left outer join
- Natural outer join
C