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

C

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

C

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

A

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

C

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

A