Finding Patients from Hamilton with Allergies Using SQL
Easy
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Write an SQL query to find a list of patients' first_name
, last_name
, and allergies
who are from the city of Hamilton and have non-null values in the allergies
column.
- Tables Used:
patients
Important Concepts
- SQL Keywords: Understanding SQL keywords like
SELECT
,FROM
, andWHERE
will be essential. - NULL Values: Know how to handle NULL values in SQL, especially when you want to include or exclude them in your results.
Good luck!