MSSQL server: Invalid type used for "Bit"

Hello Stephane,

Changing that behavior from using numeric 1/0 instead of char T/F in SQL Server has always been possible, and since version 3.5 (Jan-2017) it's documented as a simple option. Check "UseBoolean" in the following documentation topic:

http://www.tmssoftware.biz/business/aurelius/doc/web/configuring_sql_dialects.html