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#bool_opr_approch #12

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19 changes: 19 additions & 0 deletions Window Functions/Chapter4/video2_bool_approch.sql
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-- Hi Ami,

-- I find a way to solve the same problem with bool operation approach. Please check it, if anything wrong
-- plz correct it and merge it.
-- A.BoBo

select query.* from
(
SELECT species,
name,
checkup_time,
heart_rate,
AVG(heart_rate) OVER (PARTITION BY species)::decimal(5,2),
(heart_rate > AVG(heart_rate) OVER (PARTITION BY species))::bool as flag
FROM routine_checkups
ORDER BY species ASC,
checkup_time ASC
) query
where query.flag is true