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Attribute of one table matching to the primary key of other table, is called as

  • foreign key
  • secondary key
  • candidate key
  • composite key
Similar Questions :

1. Data dictionary tell DBMS

  • what files are in the database
  • what attributes are processed by data
  • what these files contain
  • all of above

2. Natural join can be related with

  • Function dependency
  • B tree
  • Domain calculus
  • Relational algebric operators

3. Physical location of a record in database is determined with the help of

  • B tree file
  • Indexed file
  • Hashed file
  • sequential file

4. Transaction processing was made possible by the development of

  • direct access storage
  • magnetic tape
  • cash register input
  • minicomputers

5. Modify operation is likely to be done after

  • Delete
  • Lookup
  • Indexing
  • Insertion
Read more from - Database Question Answers - Chapter 1
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