Answers for "sql count non null rows"

sql count null values in all columns

SELECT sum(CASE WHEN column_A IS NULL THEN 1 ELSE 0 END) A,
       sum(CASE WHEN column_B IS NULL THEN 1 ELSE 0 END) B
FROM my_table;

Posted by: Guest on April-21-2021

how to count null values in sql

SELECT COUNT(1) FROM my_table WHERE my_column IS NULL;

Posted by: Guest on April-17-2021

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