sql count group by
SELECT gender, COUNT(*) FROM people GROUP BY gender;
sql count group by
SELECT gender, COUNT(*) FROM people GROUP BY gender;
sql count distinct group by
SELECT COUNT(DISTINCT program_name) AS Count, program_type AS [Type] FROM cm_production WHERE push_number=@push_number GROUP BY program_type
sql groub by count
SELECT COUNT(Id), Country FROM Customer GROUP BY Country
sql avg and group by
SELECT AVG(depdelay), origin FROM flight_delays WHERE distance > 2000 GROUP BY origin;
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