BigQuery Coalesce -

How we cut BigQuery costs 80% by hunting costly queries coalesce bigquery However, you can also manually reduce the number of partitions being written by calling coalesce on the DataFrame to mitigate this problem coalesce bigquery Google BigQuery JDBC Connections · Google Spanner Connections · Greenplum COALESCE Function · RAND Function · RANDBETWEEN Function · PI Function

coalesce معنى In order to get the return of the first non-NULL value in the expression one can use the COALESCE function in BigQuery