Google bigquery 议论当然，您应该使用适当的表引用 1. SELECT Unique_ID INTO holdkey FROM [Origination] GROUP BY Unique_ID HAVING count(*) > 1 2. SELECT DISTIN

议论当然，您应该使用适当的表引用

1. SELECT Unique_ID INTO holdkey FROM [Origination] GROUP BY Unique_ID HAVING count(*) > 1

2. SELECT DISTINCT Origination.*
INTO holddups
FROM [Origination], holdkey
WHERE [Origination].Unique_ID = holdkey.Unique_ID

3. DELETE Origination 
FROM Origination, holdkey
WHERE Origination.Unique_ID = holdkey.Unique_ID

4. INSERT Origination SELECT * FROM holddups