Question Detail

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. Modify operation is likely to be done after

  • Delete
  • Lookup
  • Indexing
  • Insertion

2. File record length

  • should always be fixed
  • should always be variable
  • should be chosen to match the data character
  • depends upon the size of file

3. Which among following contains a complete record of all activity that affected the contents of a database during a creation period of time

  • report writer
  • query language
  • DML
  • transaction log

4. Data management system may be implemented as

  • system software
  • application software
  • computer program
  • all of above

5. Network structure

  • is a physical representation of data
  • is conceptually simple
  • allows many to many relationships
  • none of above
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