Question Detail

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
Similar Questions :

1. Modify operation is likely to be done after

  • Delete
  • Lookup
  • Indexing
  • Insertion

2. Secondary index can be related with

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

3. Which is a type of DBMS software

  • utilities
  • query language
  • report writer
  • All of above

4. Network structure

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

5. Data dictionary tell DBMS

  • what files are in the database
  • what attributes are processed by data
  • what these files contain
  • all of above
Read more from - Database Question Answers - Chapter 1