Querying multiple tables in Big Query

Question

As it is not possible to update data within a table in BigQuery, and supports only append mechanism, I have decided to create new tables on monthly basis. So suppose for yea

Answer 1

2017 update:

With BigQuery #standardSQL - you can either use standard UNION ALL to go through multiple tables, or you can use a * to match all tables that share the same prefix. When using the * matcher, you will also have access to the meta-column _TABLE_SUFFIX - to know which table the rows came from.

SELECT * FROM Roster
UNION ALL
SELECT * FROM TeamMascot