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SQL Data Definition Trivia Questions and Answers PDF Download eBook p. 425

Solve Sql data definition trivia questions and answers PDF, sql data definition quiz answers to prepare data science worksheet 425 for online board exam 2022. Practice Introduction to SQL quiz with answers, sql data definition Multiple Choice Questions (MCQ) for online DBMS, DBA. Free sql data definition MCQs, sql data types and schemas, view of data, sql data definition test prep for master's degree in computer science.

"The constraint on an attribute specifies that the null value is not allowed for that attribute, is known to be", sql data definition Multiple Choice Questions (MCQ) with choices foreign key attribute, candidate key attribute, unique key attribute, and not null attribute to study online training courses. Learn introduction to sql questions and answers with free online certification courses for BSc computer science.

SQL Data Definition Questions and Answers PDF Download eBook

SQL Data Definition Quiz

MCQ: The constraint on an attribute specifies that the null value is not allowed for that attribute, is known to be

  1. Candidate key attribute
  2. Foreign key attribute
  3. Unique key attribute
  4. Not Null attribute

D

View of Data Quiz

MCQ: The contrast to the relational data model, is

  1. Semi-structured data model
  2. Object-based Data model
  3. Entity relationship model
  4. Relation View data model

A

SQL Data Types and Schemas Quiz

MCQ: Dates must be specified in the format

  1. day-year-month
  2. year-month-day
  3. year-date-month
  4. month-year-date

B

Index Entry Quiz

MCQ: An index entry appears for only some of the search-key values, in a

  1. Clustering index
  2. Non-clustering index
  3. Sparse index
  4. Dense index

C

View of Data Quiz

MCQ: To simplify users interaction with the system, data abstraction uses

  1. 2 levels
  2. 3 levels
  3. 4 levels
  4. 5 levels

B