Databases

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Across
  1. 1. A group of related data
  2. 3. A collection of tables with related data
  3. 4. Combining columns from different tables into one temporary results table
  4. 8. A key that consists of multiple columns
  5. 9. A relationship where one record from one related table will match only one record from another related table
  6. 10. A type of database element that you can search on, just like you would find at the back of a book
  7. 12. Consists of one or more columns that must be unique within a table
Down
  1. 1. Storing data twice
  2. 2. A relationship where multiple records from one related table can match multiple records from another related table
  3. 5. A relationship where one record from one related table can match multiple records from another related table
  4. 6. A row from a table that links back to a primary key in another table
  5. 7. A data element that contains data of one and the same kind
  6. 11. A matrix with data