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Database Systems MCQs – Mock Test 129

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The Advanced Aggregation Features Quiz Questions and Answers PDF (Advanced Aggregation Features Quiz with Answers PDF e-Book) download Ch. 1-129 to learn Database Systems Practice Tests. Solve Advanced SQL MCQ with answers PDF, Advanced Aggregation Features Multiple Choice Questions (MCQ Quiz) for BSc computer science. Download the Advanced Aggregation Features Quiz App: Free Database Systems Quiz App to learn types of storage structure, relational query languages, dbms keys, advanced aggregation features test prep for online computer science schools.

The Quiz: Trend analysis can be thought of an example of; "Advanced Aggregation Features" App Download [Free] with answers: transitive closure, recursion, windowing, and ranking for BSc computer science. Learn Advanced SQL Questions and Answers, Apple iBook to download free chapter for computer science degree programs.

Advanced Aggregation Features Quiz – Mock Test 129 PDF Download

MCQ: 641

Trend analysis can be thought of an example of

  1. Recursion
  2. Transitive closure
  3. Ranking
  4. Windowing
MCQ: 642

A relation, say r1, may include among its attributes the primary key of another relation, say r2. the r1 is also known as

  1. Parent relation
  2. Referenced relation
  3. Referencing relation
  4. Node relation
MCQ: 643

The query languages are terse and formal, but they illustrate the fundamental techniques for

  1. Storing data to database
  2. Extracting data from database
  3. Updating data of database
  4. Deleting data from database
MCQ: 644

A restarted form of the transaction is considered to be a/an

  1. Old transaction
  2. Prior transaction
  3. New transaction
  4. Version transaction
MCQ: 645

The join preserves tuples only in the relation named before the left outer join operation, is to be

  1. Left outer join
  2. Left inner join
  3. Right inner join
  4. Right outer join

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