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Download "Database Constraints and Relational Schemas MCQ" App: When the primary key is null of the new tuple then the constraint violated is; MCQ with answers: null integrity constraint, primary integrity constraint, secondary integrity constraint, and entity integrity constraint. Practice Database Constraints and Relational Schemas Quiz Questions, download Apple Book (Free Chapter) to improve programming skills.

Database Constraints and Relational Schemas MCQs PDF Download – Prep Test

MCQ 1: When the primary key is null of the new tuple then the constraint violated is:

  1. null integrity constraint
  2. primary integrity constraint
  3. secondary integrity constraint
  4. entity integrity constraint

MCQ 2: The key which specifies that two different tuples cannot have the same value is classified as:

  1. super key
  2. simple key
  3. parallel key
  4. conceptual key

MCQ 3: The constraint violated when the given value of attribute is not included in the corresponding domain is:

  1. domain constraint
  2. attribute constraint
  3. key constraint
  4. lock constraint

MCQ 4: If two or more constraints are violated by using insert operation then by default the:

  1. insert is accepted
  2. insert is rejected
  3. insertion permanently blocked
  4. none of above

MCQ 5: The multi-valued dependencies and functional dependencies are classified as category of:

  1. relation dependencies
  2. data dependencies
  3. entity dependencies
  4. attribute dependencies

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