關於「Bigquery if」標籤，搜尋引擎有相關的訊息討論：

Conditional expressions | BigQuery - Google Cloudcloud.google.com › BigQuery › DocumentationIntroduction to SQL in BigQuery - Google Cloudcloud.google.com › BigQuery › DocumentationCASE WHEN case in BigQuery comparing value in the same fieldstackoverflow.com › questions › case-