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YiLi225/nullvalues.sql

Created November 29, 2020 17:16
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nullvalues.sql
/** 5. NULL values **/
SELECT
COUNT(*) AS total_cnt,
COUNT(CASE WHEN location_var = 'California' THEN id_var END) AS california_CNT,
COUNT(CASE WHEN location_var <> 'California' THEN id_var END) AS non_california_CNT
FROM
userlogin
WHERE id_var = '0155'
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