DBMS MCQ Questions and Answers

Take Exam

DBMS MCQ questions with answers form a vital part of technical exams and campus interviews. This topic explores database concepts, normalization, SQL queries, transaction management, and ER models. Practicing programming questions and answers from this section strengthens your database design and query optimization skills. These questions are frequently asked in GATE, Infosys, TCS, and Wipro assessments, making them essential for students and professionals alike. Detailed solutions and explanations make this section perfect for both beginners and advanced learners aiming to master database management fundamentals.

DBMS MCQ

Showing 10 of 527 questions

121. Oracle 8i Here

  • Interface
  • Interaction
  • Internet
  • none of the above
Show Answer Report

122. Locks can be applicable for __________

  • views
  • indices
  • triggers
  • All of the above
Show Answer Report

123. RDMS is based on

  • Hierarchical model
  • ) relational
  • Network
  • none of these
Show Answer Report

124. How does you represent a

  • Solid line
  • Dashed line
  • ellipse
  • none
Show Answer Report

125. which character function is used to return a specified portion of a character string

  • Initcap
  • Concat
  • Substring
  • Length
Show Answer Report

126. Which dictionary view gives the information of the tables of user

  • All tables
  • User tables
  • DBA tables
  • All the above
Show Answer Report

127. What is default length of the CHAR datatype

  • 256
  • 122
  • 1
  • 64
Show Answer Report

128. Which of the following statements from database

  • set of tables & views
  • set of clusters
  • set of synonyms
  • none of the above
Show Answer Report

129. When a user creates an object with out giving table-space then where it will stored

  • system table-space
  • Oracle table-space
  • Oracle Error
  • Default Table-space
Show Answer Report

130. Which character is used to continue the SQL* plus

  • *
  • /
  • +
  • -
Show Answer Report
Questions and Answers for Competitive Exams Various Entrance Test