Schemas Statements in SQL MCQs & Quiz Online PDF eBook Download

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Learn schema definition, constraints, queries and views MCQ: in standard query language, types of drop commands include, with choices restrict command, foreign key command, cascade command, and both a and c for master's degree in computer science. Practice merit scholarships assessment test, online learning schemas statements in sql quiz questions for competitive exams in computer science major for computer information science.

MCQs on Schemas Statements in SQL PDF eBook Download

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

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

D

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

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

C

MCQ: Command in SQL which is used when any of schema is no longer needed in relation is classified as

  1. DROP SCHEMA command
  2. PICK SCHEMA command
  3. DELETE SCHEMA command
  4. RESTRICT SCHEMA command

A

MCQ: Command used in SQL which deletes table definition as well as all records available in table is called

  1. DELETE command
  2. DROP TABLE command
  3. PRIMARY KEY command
  4. SECONDARY KEY command

B

MCQ: Considering change in schema statement in SQL, command which is used to delete records of table and leave definition of table for later use is classified as

  1. DELETE command
  2. DROP TABLE command
  3. PRIMARY KEY command
  4. SECONDARY KEY command

A