title: BigQuery - How to query the number of columns in a table?
body: <p>I want to query a table to get how many columns in that table and the name of each column. <a href="https://stackoverflow.com/questions/30361414/bigquery-get-the-total-number-of-columns-in-a-bigquery-table">this post</a> tells us how to do it in BQ command line interface, but can we do it using query? </p>