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Welcome to the RDBMS MCQs Page

Dive deep into the fascinating world of RDBMS with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of RDBMS, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of RDBMS, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

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Check out the MCQs below to embark on an enriching journey through RDBMS. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of RDBMS. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

RDBMS MCQs | Page 8 of 8

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Q71.
Student(ID, name, dept name, tot_cred)
In this query which attribute form the primary key?
Discuss
Answer: (d).ID
Q72.
Which one of the following is a procedural language ?
Discuss
Answer: (c).Relational algebra
Q73.
The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.
Discuss
Answer: (b).Join
Q74.
The result which operation contains all pairs of tuples from the two relations, regardless of whether their attribute values match.
Discuss
Answer: (b).Cartesian product
Q75.
The _______operation performs a set union of two β€œsimilarly structured” tables
Discuss
Answer: (a).Union
Q76.
The most commonly used operation in relational algebra for projecting a set of tuple from a relation is
Discuss
Answer: (c).Select
Q77.
The _______ operator takes the results of two queries and returns only rows that appear in both result sets.
Discuss
Answer: (b).Intersect
Q78.
A ________ is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys.
Discuss
Answer: (a).Schema diagram
Q79.
The _________ provides a set of operations that take one or more relations as input and return a relation as an output.
Discuss
Answer: (b).Relational algebra
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