Schema Definition, Constraints, Queries and Views Multiple Choice Questions and Answers PDF Book Download

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"In Standard Query Language, the types of DROP commands include" Multiple Choice Questions (MCQs) on schema definition, constraints, queries and views with choices foreign key command, restrict command, cascade command, and both a and c for master's degree in computer science. Practice jobs' assessment test, online learning schemas statements in sql quiz questions for computer information science.

MCQs on Schema Definition, Constraints, Queries & Views Quiz 1 PDF Book Download

MCQ: In Standard Query Language, the types of DROP commands include

  1. RESTRICT command
  2. FOREIGN key command
  3. CASCADE command
  4. both a and c

D

MCQ: The constraints that are applied on individual tuples and are verified whenever any tuple is modified or new tuple is inserted are called

  1. language based constraints
  2. tuple based constraints
  3. scale based constraints
  4. precision based constraints

B

MCQ: In the SQL environment, the collection of schemas is classified as

  1. value set
  2. catalog
  3. initiator
  4. integration

B

MCQ: The data type which can be fixed length or varying length as CHAR(n) and VARCHAR(n) respectively is classified as

  1. ternary string
  2. binary string
  3. schema string
  4. character-string

D

MCQ: When the schema is to be dropped in SQL which has no elements then the type of DROP Command used is called

  1. SCALE DROP command
  2. PRECISION DROP command
  3. RESTRICT DROP schema
  4. CASCADE DROP command

C