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Database Management System Practice Test 94

# Query Trees Notations MCQs (Multiple Choice Questions) PDF Download - 94

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The Query Trees Notations Multiple Choice Questions (MCQ) with Answers PDF (Query Trees Notations MCQs PDF e-Book) download Ch. 11-94 to solve Database Management System Practice Tests. Study Relational Algebra and Calculus quiz answers PDF, Query Trees Notations Multiple Choice Questions (MCQ Quiz) to learn software engineering courses. The Query Trees Notations MCQs App Download: Free educational app for query trees notations, domain relational calculus, schemas instances and database state, state chart diagrams, three schema architecture test prep for top computer science schools.

The MCQ Quiz: The data structure in the form of tree to correspond to relational algebra expression is classified as; "Query Trees Notations" App (Android & iOS) with answers: Attribute tree; Relation tree; Entity tree; Query tree; to learn software engineering courses. Practice Relational Algebra and Calculus Questions and Answers, Google eBook to download free sample for online computer science and engineering.

## Query Trees Notations MCQ with Answers : Quiz 94

MCQ 466:

The data structure in the form of tree to correspond to relational algebra expression is classified as

1. relation tree
2. attribute tree
3. entity tree
4. query tree
MCQ 467:

The types of relational calculi includes

1. domain calculus
2. nodes calculus
3. tuple calculus
4. both a and c
MCQ 468:

In database management system, the current set of instance or database snapshot is also called

1. mathematical operators of schema
2. logical operators of schema
3. extension of schema
4. intension of schema
MCQ 469:

The elements included in state chart diagrams are

1. transitions
2. condition markers
3. iteration markers
4. lifeline markers
MCQ 470:

In Three-Schema Architecture, the schema in which the part of database is described to the user group who is interested and other details are kept hide is called

1. logical schema
2. conceptual schema
3. internal schema
4. external schema