Solution 1:
Head to File > Settings > Languages & Frameworks > SQL Dialects
and set it for the whole project.
Solution 2:
This is a screenshot of how to do that inside the settings:
This is on version 2016.3
Head to File > Settings > Languages & Frameworks > SQL Dialects
and set it for the whole project.
This is a screenshot of how to do that inside the settings:
This is on version 2016.3