Query Guide - Conceptually UNNEST and CROSS JOIN create a

Conceptually, UNNEST and CROSS JOIN create a new table with a crazy number of lines, because each line of the source table is multiplied by the number of lines of the nested event_params structure. For all rows where the main table user ID coincides with the main table user ID, we fill in a new column called user_did_click with the actual value. #Table #QueryGuide #GoogleAnalytics