|Prev||Chapter 13. The Query Language||Next|
You can update existing instances using the update command. Suppose you discover the temperature readings are all off by 2 degrees as of Nov 28, you may update the data as follow:
UPDATE weather SET temp_hi = temp_hi - 2, temp_lo = temp_lo - 2 WHERE date > '11/28/1994';
|Joins Between Classes||Up||Deletions|
If you see anything in the documentation that is not correct, does not match your experience with the particular feature or requires further clarification, please use this form to report a documentation issue.