group by count code example

Example 1: sql count group by

SELECT gender, COUNT(*) FROM people GROUP BY gender;

Example 2: sql groub by count

SELECT COUNT(Id), Country 
  FROM Customer
 GROUP BY Country

Example 3: sql avg and group by

SELECT
  AVG(depdelay),
  origin
FROM flight_delays
WHERE distance > 2000
GROUP BY origin;

Example 4: select query group by name

SELECT `gender` FROM `members` GROUP BY `gender`;

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