Use this query to determine the size of the database in number of patients or lives.

Input:
<None>

Sample query run:
The following is a sample run of the query to run a search in your database schema.

SELECT COUNT(person_id) AS num_persons_count
FROM   person

Output:

Field	Description
num_persons_count	Number of patients in the dataset

Sample output record:

Field	Value
num_persons_count	4466771