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Database Systems Competitive Exam: Mock Test 35

Database Views Notes Questions with Answers PDF Download - 35

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The Database Views Notes Questions and Answers PDF (Database Views Quiz Answers PDF e-Book) download Ch. 21-35 to study Database Systems Practice Tests. Learn SQL Concepts and Queries MCQ Questions PDF, Database Views Multiple Choice Questions (MCQ Quiz) for online computer classes. The Database Views Notes App Download: Free Database Systems App to study algorithms for recovery and isolation exploiting semantics, decomposition using functional dependencies, additional basic operations, database views test prep for computer information science.

The Quiz: A view is updatable, if the Select clause does not have any; "Database Views" App (iOS, Android) with answers: aggregates, expressions, and distinct specification for computer information science. Study SQL Concepts and Queries Questions and Answers, Apple Book to download free chapter for free online classes.

Database Views Quiz with Answers PDF Download: MCQs 35

MCQ: 171

A view is updatable, if the Select clause does not have any

  1. Expressions
  2. Aggregates
  3. Distinct specification
  4. All of the Above
MCQ: 172

SQL provides a way of renaming the attributes of a result relation, taking the form

  1. old-name to new-name
  2. old-name as new-name
  3. ALTER old-name to new-name
  4. ALTER old-name at new-name
MCQ: 173

The schema for relation r, with 'R' denoting the set of attributes, can be expressed by the notation

  1. r
  2. R
  3. r(R)
  4. R (r)
MCQ: 174

The pass that determines which transactions to undo is known as

  1. Redo pass
  2. Analysis pass
  3. Undo pass
  4. Logical pass
MCQ: 175

The Data model that is widely used in the database design is

  1. Object-based Data model
  2. Relational Model
  3. Semi-structured data model
  4. Entity relationship model

Database Views Competitive Exam: Database Systems App & eBook Notes

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DataBase Management System (MCS) Notes App

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