SQL - Crossword Puzzle

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Across
  1. 5. An operator that is used to test for the existence of any record in a subquery
  2. 7. An operator that tests column for absence of data
  3. 8. An operator that is used to compare a value to a specified list of values
  4. 9. The datatype that can store unstructured data in a column
  5. 10. An operator that perfoms pattern matching
Down
  1. 1. A command that lets you change one or more fields in a table
  2. 2. The data manipulation command that is used to combine the records from one or more tables
  3. 3. the clause that is used to list the attributes desired in the result of a query.
  4. 4. Maximum number of Primary keys a table can have
  5. 6. Deletes all rows in a table without having the action logged