Database Terminology

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Across
  1. 2. A logical connection between two tables is called a ______.
  2. 3. The technique used to speed up searching in a table by creating an ordered list of key fields is ______.
  3. 6. A field used for searching or sorting but not necessarily unique is a ______.
  4. 7. — A system that cannot handle large volumes of data lacks ______.
  5. 8. When one record in a table relates to multiple records in another table, it is a ______ relationship.
  6. 9. A single column in a table that stores one piece of information about an entity is a ______.
  7. 12. The property that ensures data is accurate and consistent across files is called ______.
  8. 14. A field that links to the primary key in another table to create relationships is a ______.
  9. 15. A real-world object or concept that data is stored about is called an ______.
  10. 16. When records in two tables can relate to multiple records in each other, it is a ______ relationship.
  11. 17. When one record in a table relates to only one record in another table, it is a ______ relationship.
Down
  1. 1. The rule that ensures foreign keys match valid primary keys is called ______.
  2. 4. The same data is stored in multiple files, causing unnecessary duplication.
  3. 5. A field (or combination of fields) that could be chosen as the primary key is a ______.
  4. 10. A unique identifier for each record in a table is called the ______.
  5. 11. A single row in a table representing one instance of an entity is called a ______.
  6. 12. When one file is updated but others are not, the data becomes ______.
  7. 13. A collection of related data organized into rows and columns is a ______.