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Using the School Scheduling Example, suppose you need to change area code to 612 for all...

Using the School Scheduling Example, suppose you need to change area code to 612 for all staff living in ZIP codes 55416 and 55426. Write a SQL statement to implement this action.

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Answer #1

Please find below sql query and read the note section carefully and let me know if u have any concern..

UPDATE staff
SET area_code = 612
WHERE zip_code = 55416
OR zip_code = 55426;

Note: staff is the name of table please change the name if actual one differs
area_code is the column name of table for updating new Area code please change the name if actual one differs
zip_code is the column name of table for staff living in Zip code please change the name if actual one differs

Explanation:
SET command used change the existing value of table and where clause
used for matching the condition as like given zip code

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