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

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

Study schema definition, constraints, queries and views quiz with multiple choice question (MCQs): in standard query language, types of drop commands include, for bachelor degree and masters in data science degree course with choices foreign key command, restrict command, cascade command, both a and c for career test, online study and distance learning online preparation for online university courses. Practice skills assessment test to learn online schemas statements in sql quiz questions with DBMS MCQs for DBA certification competitive exam prep.

MCQ on Schema Definition, Constraints, Queries and 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