CROSSWORD PUZZLE - DATABASE CONCEPTS

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Across
  1. 2. A predefined value assigned to a column if no value is provided.
  2. 5. Data discrepancies caused by conflicting information across different databases or records.
  3. 7. A single row of data in a table, representing a record.
  4. 8. A constraint ensuring that all values in a column are distinct.
  5. 9. A fixed-length character data type.
  6. 10. A constraint used to ensure that data meets specific conditions or criteria.
  7. 11. A request for data or information from a database to retrieve, modify, or manage data.
  8. 12. The set of valid values that an attribute can take.
  9. 13. A variable-length character data type, storing data without wasting space.
  10. 14. A unique identifier for each tuple in a table, ensuring no duplicates.
Down
  1. 1. A rule or restriction applied to table columns to enforce data integrity and ensure valid data entry.
  2. 3. A column in a database table representing a property or characteristic of an entity.
  3. 4. Duplication of data that increases storage and can lead to inconsistency.
  4. 6. A constraint ensuring that a column cannot have NULL (empty) values.
  5. 10. The number of rows in a table.
  6. 12. The number of columns in a relation table.