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Relational Operations Quizzes Online MCQs PDF Download eBook

Practice Relational operations quiz questions, relational operations multiple choice questions and answers PDF to prepare data science exam worksheet 320 for online certificate programs. Practice "RDBMS Interview Questions and Answers" quiz with answers, relational operations Multiple Choice Questions (MCQ) for online DBMS, DBA. Free relational operations MCQs, view of data, lock based protocols, purpose of database systems, ordered indices, relational operations test prep for applied computer science.

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Relational Operations Questions and Answers PDF Download eBook

Relational Operations Quiz

MCQ: Languages based on the relational algebra, add a number of useful syntactic features, such as in

  1. JAVA
  2. XML
  3. SQL
  4. DB2


Ordered Indices Quiz

MCQ: Secondary indices improve the performance of

  1. Queries without keys
  2. Queries without search keys
  3. Queries with keys
  4. Queries with search keys


Purpose of Database Systems Quiz

MCQ: To extract records from, and add records to the appropriate files to the database system, it needs

  1. Different application programs
  2. Similar application programs
  3. Different application systems
  4. Similar application systems


Lock Based Protocols Quiz

MCQ: The point in the schedule where the transaction obtains its ?nal lock, is called its

  1. Shrinking point
  2. Growing point
  3. Lock point
  4. Phase point


View of Data Quiz

MCQ: Implementation of the simple structures at the logical level may involve complex

  1. Physical-level structures
  2. Logical-level structures
  3. View-level Structures
  4. Virtual-level Structures