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How to Duplicate a Table in BigQuery

Sometimes it's useful to copy a table.

You can't directly copy tables via a SQL command in BigQuery, so we'll walk through alternative methods.

In the BigQuery UI, select the table you wish to copy, then push the Copy Table button. Enter the desired new table name. alt text

Or you can copy a table in the BigQuery command line tool:

bq cp mydataset.mytable mydataset2.mytable2

BigQuery documentation lists additional methods for copying a table (via API, with Python, PHP, etc).

🤓 Fun fact: copying a table is a key step in "renaming" a table in BigQuery, as there is no method for direct renaming in BigQuery.

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