Crossword Puzzle

123456
Across
  1. 4. key, A field that contains the unique information.
  2. 6. An access data type.
Down
  1. 1. A method of extracting specific data from database and save for future use.
  2. 2. Settig links between tables.
  3. 3. A collection of records for single subject.
  4. 5. A group of fields related to one topic.