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SQL Data Definition MCQs App Download - Database Systems PDF e-Book

Database Systems Practice Test 204

SQL Data Definition Multiple Choice Questions (MCQs) PDF Download - 204

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The SQL Data Definition MCQ with Answers PDF (SQL Data Definition Multiple Choice Questions (MCQs) PDF e-Book) download Ch. 15-204 to learn Database Systems Practice Tests. Learn Introduction to SQL Test PDF, SQL Data Definition Multiple Choice Questions (MCQ Quiz) for associates in computer science. The SQL Data Definition MCQ App Download: Free Database Systems App to learn database transactions, introduction to dbms, java database connectivity (jdbc), algebra operations in dbms, sql data definition test prep for online degree programs.

The MCQ: A null value indicates an absent value that "SQL Data Definition" App (Free Android & iOS) with answers: known but doesn't exist, may exist but unknown, and doesn't exist and not known for associates in computer science. Practice Introduction to SQL Questions and Answers, Apple e-Book to download free sample for information and communication technology.

SQL Data Definition MCQ Quiz with Answers PDF Download: Test 204

MCQ: 1016

A null value indicates an absent value that

  1. may exist but unknown
  2. known but doesn't exist
  3. doesn't exist and not known
  4. Both A and B
MCQ: 1017

The operations with the ability to express queries that cannot be expressed by the basic relational-algebra operations, is known as

  1. Compound relational-algebra
  2. Composite relational-algebra
  3. Embedded relational-algebra
  4. Extended relational-algebra
MCQ: 1018

The ResultSetMetaData object contains metadata about the

  1. data set
  2. input set
  3. result set
  4. meta data
MCQ: 1019

A database can be regarded as a kind of

  1. Electronic file handling
  2. Electronic filing management
  3. Electronic filing storage
  4. Electronic filing cabinet
MCQ: 1020

In the case of power outage or other system crash, the rollback occurs when the

  1. System starts
  2. System boosts
  3. System restarts
  4. System shuts down

Database Systems Exam Prep Tests

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