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Relational Operations Quiz Questions and Answers 320 PDF Download

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Quiz on Relational Operations Worksheet 320Quiz PDF Download

Relational Operations Quiz

MCQ: Languages based on 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 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 appropriate files to 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: Point in schedule where 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 simple structures at logical level may involve complex

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