Database Systems MCQs - Chapter 10
Formal Relational Query Languages Multiple Choice Questions (MCQs) PDF Download - 13
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The Formal Relational Query Languages Multiple Choice Questions (MCQs) with Answers PDF (Formal Relational Query Languages MCQs PDF e-Book) download Ch. 10-13 to study Database Systems Course. Practice Relational Algebra MCQs, Formal Relational Query Languages trivia questions and answers PDF for online degrees. The Formal Relational Query Languages MCQs App Download: Free learning app for domain relational calculus career test to learn online educational courses.
The MCQ: In order to validate set-difference operation r -s, the requirement is that the r and s be of same; "Formal Relational Query Languages" App Download (Free) with answers: Declaration; Structure; Arity; Definition; for online degrees. Solve Database Authorization Quiz Questions, download Google eBook (Free Sample) for online computer engineering programs.
Formal Relational Query Languages MCQs with Answers PDF Download: MCQ Quiz 13
In order to validate set-difference operation r -s, the requirement is that the r and s be of same
- Structure
- Declaration
- Arity
- Definition
The restricted tuple relational calculus is equivalent to the
- Tuple relational calculus
- Attribute relational calculus
- Domain relational calculus
- Relational algebra
The relational-algebraic expressions results does not have names, the operation that is used to give them names are said to be
- name operator
- Identity operation
- rename operator
- re-identity operation
The process of taking a collection of values and returning a single value as a result, is called
- Comparative function
- Associate function
- Aggregate function
- Embedded function
Relational algebra is a
- Formal language
- Informal language
- Structured language
- Procedural language
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Database & MySQL MCQ with Answers
- Module of database management system which controls access to database stored on disk is considered as
- Kind of allocation in which file blocks contain pointer to next blocks of file is classified as
- If matching tuples are not found, kind of OUTER JOIN operation which keeps all tuples of first and second relation is classified as
- In data model schemas, constraints that are can not be expressed directly are classified as
- Types of database system utilities are
Formal Relational Query Languages MCQ Book Questions
- A server process handling requests for a single client process is responsibility of
- Exist construct returns true as a value, if argument subquery is
- Command that is used to add attributes to an existing relation, is said to be
- SQL supports nested subqueries in where, and from clauses of an
- Solution to improving reliability is to introduce