SQL data manipulation commands

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Across
  1. 3. by- orders the selected rows based on one or more attributes
  2. 4. returns the number of rows with non-null values for a given column
  3. 7. whether an attribute value matches any value within a value list
  4. 9. checks whether an attribute value is within a range
  5. 12. one or more rows from a table
  6. 13. the selection of rows based on a conditional expression
  7. 15. returns the maximum attribute value found in a given column
  8. 16. null-checks whether an attribute value is null
  9. 17. restores data to their original value
  10. 18. whether a sub query returns any rows
Down
  1. 1. the selection of grouped rows based on a condition
  2. 2. attributes from rows in one or more tables or views
  3. 5. modifies an attribute values in one or more tables rows
  4. 6. whether an attribute value matches a given string pattern
  5. 8. returns the minimum attribute value found in a given column
  6. 10. BY-groups the selected rows based on one or more attributes
  7. 11. returns the average of all values for a given column
  8. 14. returns the sum of all values for a given column
  9. 19. inserts rows into a table