Free MCQsLearn App Download - Relational Databases Trivia Questions and Answers PDF Download eBook p. 137
Solve Relational databases trivia questions and answers PDF, relational databases quiz answers to prepare data science worksheet 137 for online board exam 2022. Practice Introduction to DBMS quiz with answers, relational databases Multiple Choice Questions (MCQ) for online DBMS, DBA. Free relational databases MCQs, online analytical processing (olap), database schema, entity relationship diagrams, additional basic operations, relational databases test prep for computer information science.
"Each record type defines a fixed number of", relational databases Multiple Choice Questions (MCQ) with choices fields, variables, attributes, and unique names to study database certification courses. Learn introduction to dbms questions and answers with free online certification courses for free online classes.
Relational Databases Questions and Answers PDF Download eBook
MCQ: Each record type defines a fixed number of
- Variables
- Fields
- Attributes
- Unique names
C
MCQ: The names of the attributes in the result are derived from the names of the attributes in the relations in the
- From clause
- Define clause
- Select clause
- Where clause
A
MCQ: In E-R diagrams, the relationship set associating the weak entity set to the identifying strong entity set is represented by
- Diamond
- Double Diamond
- Rectangle
- Double triangle
B
MCQ: The contents of a relation instance may change with time as the relation
- Domain
- Time
- Updated
- Retrieved
C
MCQ: Process of switching from finer-granularity data to a coarser granularity can take place by means of
- Functions
- Aggregation
- Integration
- Substitution
B