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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. Large collection of files are called

  • fields
  • Records
  • Database
  • Sectors

2. The command that adds a new field to an active database is

  • MODIFY LABEL
  • MODIFY COMMAND
  • MODIFY STRUCTURE
  • MODIFY REPORT

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

4. Modify operation is likely to be done after

  • Delete
  • Lookup
  • Indexing
  • Insertion

5. Data item characteristics that are important in data management include

  • punctuation
  • language
  • spelling
  • width
Read more from - Database Question Answers - Chapter 1
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