Puzzle 3

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Across
  1. 3. Request for information from a database
  2. 6. A unit of work in database
  3. 7. Process to minimize redundancy and dependency in DB.
  4. 9. Unique identifier
  5. 10. Copy of original data
  6. 11. Structure that defines the organization of data
Down
  1. 1. Standard language for databases.
  2. 2. Database model based on the concept of tables
  3. 4. Object in database
  4. 5. Operation that combines records from two or more tables
  5. 8. Collection of data arranged in rows and columns