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Natural join can be related with

  • Function dependency
  • B tree
  • Domain calculus
  • Relational algebric operators
Similar Questions :

1. Data dictionary is a special file that contains

  • the names of all fields in all files
  • the data types of all fields of all files
  • Both of above
  • None of above

2. Two basic types of record access methods are

  • sequential and random
  • direct and immediate
  • sequential and indexed
  • online and real time

3. Database management systems are used to

  • eliminate data redundancy
  • establish relationships among records in different files
  • manage file access
  • none of above

4. Allocation map

  • Used to store program data
  • specifies which blocks are used by which file
  • is updated by application programs
  • allow programs to erase files

5. Which among following is an approach for standardizing storing of data

  • MIS
  • Structured programming
  • CODASYL specifications
  • None of above
Read more from - Database Question Answers - Chapter 1
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