Basic Database Management System (DBMS) Aptitude Questions and Answers | Set 4

This section contains the aptitude questions and answers on basic concepts of DBMS. You will find aptitude questions on DDL, DCL, DML, DQL, TCL statements and other related topics.

List of Basic Database Management System (DBMS) Aptitude Questions and Answers

16) What is Data Independency?
  1. To reduce inconsistency
  2. Changes at one level of database does not reflect at other level
  3. Changes at one level of database reflects at other level
  4. Both 1 and 2


18) What is Logical Data Independency?
  1. Changes at logical level of database does not reflect at view level
  2. Changes at logical level of database reflects at view level
  3. To handle multiple records
  4. To create data dictionary

19) Attribute is also known as?
  1. Tuple
  2. Entity
  3. Row
  4. Column

20) Record is also known as?
  1. Tuple
  2. Entity
  3. Row
  4. Column






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