Schema Definition, Constraints, Queries and Views Multiple Choice Questions and Answers 1 PDF Download

Schema definition, constraints, queries and views multiple choice questions (MCQs), schema definition, constraints, queries and views test prep to learn DBMS quiz 1 for CS degree free online courses. Learn schemas statements in sql multiple choice questions (MCQs), schema definition, constraints, queries and views quiz questions and answers. Free e-learning schemas statements in sql, constraints in sql, sql data definition and types test prep for online object oriented database courses distance learning.

Practice schema definition, constraints, queries and views career test with multiple choice question: constraints that are applied on individual tuples and are verified whenever any tuple is modified or new tuple is inserted are called, for computer science majors with options tuple based constraints, language based constraints, scale based constraints, precision based constraints for online computer programming degree. Professional skills assessment test for online learning schemas statements in sql quiz questions for computer science major, competitive assessment tests.

MCQ on Schema Definition, Constraints, Queries & Views Test 1Quiz PDF 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: 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 SQL environment, collection of schemas is classified as

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

B

MCQ: 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 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