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Database Systems Exam Prep: Mock Test 236

Embedded SQL Multiple Choice Questions (MCQs) PDF Download - 236

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The MCQ: The variable in any expression of the query is called a; "Embedded SQL" App (Free Android & iOS) with answers: cursor, instant, tuple, and attribute for computer software engineer. Practice Advanced SQL Questions and Answers, Google eBook to download free chapter for online computer science schools.

Embedded SQL MCQ Quiz with Answers PDF Download: Test 236

MCQ: 1176

The variable in any expression of the query is called a

  1. Instant
  2. Cursor
  3. Attribute
  4. Tuple
MCQ: 1177

In entity relationship model, an entity is a

  1. Object
  2. Data
  3. Model
  4. Schema
MCQ: 1178

Researchers have developed several data models to deal with the application domains, including

  1. Object-based Data model
  2. Semi-structured data model
  3. Rational data model
  4. Both A and B
MCQ: 1179

The use of keywords begin atomic ...end was introduced in

  1. SQL:1998
  2. SQL:1999
  3. SQL:2000
  4. SQL:2001
MCQ: 1180

Select project, and rename operations are called unary operations, because they operate on

  1. One tuple only
  2. One relation only
  3. One attribute only
  4. One instance only

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