To count number of rows in SQL table
SELECT count(*)
FROM information_schema.columns
WHERE table_name = 'Your_table_nale';
To count number of rows in SQL table
SELECT count(*)
FROM information_schema.columns
WHERE table_name = 'Your_table_nale';
sql count where
SELECT count(CASE WHEN gender = 'F' THEN 1 ELSE NULL END) women_count,
count(CASE WHEN gender = 'M' THEN 1 ELSE NULL END) men_count
FROM people;
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