What is SQL Model?
SQL Model is an advanced way that allows users who know the basics of SQL to apply direct queries to the selected data stack, like they would do in their Database in order to transform and retrieve (and save) the desired output table.
Important note: If you store your dataset in a Big Query environment, the SQL Model uses all the SQL Big query functions and the same syntax.
Access all the Google Big query functions.
In this link you can find all the Google Big Query functions documentation.