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SQL MCQs with Answers – PDF Download

MCQ 1: The null value can be excluded using the NOT NULL constraint, from the:

  1. Domain
  2. Scheme
  3. Definition
  4. Declaration

MCQ 2: In SQL using semicolon at the end of the commands is said to be:

  1. Mandatory
  2. Optional
  3. Conditional
  4. Built-In

MCQ 3: A SQL relation be defined through the command:

  1. create table
  2. define table
  3. describe table
  4. Id table

MCQ 4: For the storage of nvarchar type of multilingual data, SQL uses:

  1. Binary code representation
  2. ANSI representation
  3. Char-code representation
  4. Unicode representation

MCQ 5: In SQL, relations cannot define a null value for a:

  1. Primary key attribute
  2. Foreign key attribute
  3. Candidate key attribute
  4. Not unique key attribute

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