Database Systems MCQs - Chapter 19
RDBMS Interview Questions and Answers Quiz Questions & Answers PDF Download - 3
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The RDBMS Interview Questions and Answers Quiz Questions and Answers PDF (RDBMS Interview Questions and Answers Quiz PDF e-Book) download Ch. 19-3 to study Database Systems Course. Practice Relational Query Languages MCQs, RDBMS Interview Questions and Answers MCQ questions and answers PDF for computer and information science. The RDBMS Interview Questions and Answers Quiz App Download: Free learning app for relational operations career test for bachelor's degree in computer science.
The Quiz: The query languages are terse and formal, but they illustrate the fundamental techniques for; "RDBMS Interview Questions and Answers" App (iOS, Android) with answers: Extracting data from database; Storing data to database; Updating data of database; Deleting data from database; for computer science degree programs. Study Concurrency Control Concept in DBMS Quiz Questions, download Amazon eBook (Free Sample) for computer and information science.
RDBMS Interview Questions and Answers Exam Questions and Answers PDF Download: Test 3
The query languages are terse and formal, but they illustrate the fundamental techniques for
- Storing data to database
- Extracting data from database
- Updating data of database
- Deleting data from database
Operation that outputs pairs of rows from the two input relations that have the same value on all attributes that have the same name, is known as
- Natural join
- Union operation
- Selection
- Projection
A set of operations in a query language that take one or two relations as input and produce a new relation as their result, is known to be
- Relational calculus
- Domain relational calculus
- Relational algebra
- Domain relational algebra
A pictorial depiction of the schema of a database that shows the relations in the database, is known to be
- Schema structure
- Schema definition
- Schema domain
- Schema diagram
Relational operations can be applied to the results of queries as well as to the
- Given set of attributes
- Given set of tuples
- Given set of relations
- Given set of domains
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- Technique which is used to retrieve data from disk in form of continuous blocks of stream and eliminates seek time is classified as
- Parts of an operation or function must includes
- Class diagram, component diagram, object diagram and deployment diagram are considered as types of
- Database program which handles software applications and include database servers calls to update data is classified as
- Form of data model which focuses concepts in same way as data stored in computer system is classified as
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- DML precompile converts DML statements to normal procedure calls in
- A property of entire relation, rather than of individual tuples, is known as
- Universal front end to database applications that connects to back end through Internet, are
- Layer in application's architecture which is conceptually broken up into further layers, is said to be
- In Linear search, an initial seek is required to access file's