Databases

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Across
  1. 4. This key is used to identify records uniquely
  2. 7. Each column in a data table
  3. 9. When there are many tables it will reduce data................
  4. 11. This is used to enter data to a table
  5. 13. This data type stores alphanumeric or numeric characters
  6. 14. Primary key cannot be .........
  7. 15. This key is used to create links between tables
Down
  1. 1. Collection of related fields
  2. 2. Subset of records from a table or tables
  3. 3. This data type stores only numeric characters
  4. 5. this type of databases contains multiple tables
  5. 6. This can be used for easy decision making
  6. 8. Collection of records
  7. 10. Modern databases are manages using this
  8. 12. This data type stores lengthy text
  9. 13. There are ............ types of relationships