How to Transpose Rows to Column (Pivot) in Bigquery
There are a lot of times when you have data in multiple rows and you want to pivot them to show up in a single row,
Here's a #standardSQL solution and a more general case of pivoting. In this case, we have multiple rows, and each sensor looks at a different type of property. To pivot it, we would do something like:
#standardSQL SELECT SensorName, , AVG(IF(SensorType LIKE '%altitude', Data, null)) altitude , AVG(IF(SensorType LIKE '%light', Data, null)) light , AVG(IF(SensorType LIKE '%mic', Data, null)) mic , AVG(IF(SensorType LIKE '%temperature', Data, null)) temperature FROM `data-sensing-lab.io_sensor_data.SensorData` GROUP BY 1
As an alternative to
AVG() you can try
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