Documentation

HAVING clause

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The HAVING clause places conditions on results created by an aggregate operation on groups. The HAVING clause must follow the GROUP BY clause and precede the ORDER BY clause.

The WHERE clause filters rows based on specified conditions before the aggregate operation. The HAVING clause filters rows based on specified conditions after the aggregate operation has taken place.

Syntax

SELECT_clause FROM_clause [WHERE_clause] [GROUP_BY_clause] [HAVING_clause] [ORDER_BY_clause] 

Examples

Return rows with an aggregate value greater than a specified number

SELECT
  MEAN("water_level") AS "mean_water_level", "location"
FROM
  "h2o_feet" 
GROUP BY
  "location"
HAVING
  "mean_water_level" > 5

View example results

Return the average result greater than a specified number from a specific time range

SELECT 
  AVG("water_level") AS "avg_water_level", 
  "time" 
FROM 
  "h2o_feet" 
WHERE 
  time >= '2019-09-01T00:00:00Z' AND time <= '2019-09-02T00:00:00Z' 
GROUP BY 
  "time" 
HAVING 
  "avg_water_level" > 6.82 
ORDER BY 
  "time"

View example results


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