Chapter 2-4 Review

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Across
  1. 3. an empty place holder
  2. 6. eliminates duplicate rows
  3. 7. a conditional clause
  4. 10. a keyword for pattern matching
  5. 11. describes a table with one column and zero rows
  6. 12. optional text that explains your program
  7. 13. describes a database with related data files
  8. 15. a data item at each row-column intersection
  9. 16. a datatype for a binary large object
Down
  1. 1. words used to name database objects
  2. 2. changes the column heading
  3. 4. a process for pulling data from tables for informational and reporting purposes
  4. 5. a word that SQL reserves for a special purpose
  5. 8. this type of key is required, unique, and cannot be null
  6. 9. symbol used at the end of a SQL statement
  7. 14. ORDER BY clause is always the last clause in this statement
  8. 15. the type of representation for a data model