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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

Answer: Option D

Similar Questions :

1. The logical structure with one to many relationships is a

  • network
  • tree
  • chain
  • relational

Answer: Option B

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

  • foreign key
  • secondary key
  • candidate key
  • composite key

Answer: Option A

3. 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

Answer: Option B

4. Which among following is not a relational database

  • dBase IV
  • 4th Dimention
  • FoxPro
  • Reflex

Answer: Option D

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

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

Answer: Option C

Read more from - Database Question Answers - Chapter 1
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