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We''re using migrations to manage a SQL Server project and have been running into a number of issues with db_schema_dump/migrations. Can anyone confirm that these are actual issues with the SQL Server adapter and not issues with me :) 1) Fields are not properly setup with proper null settings (:null => true / false). I''m wondering if we need to update the def columns method

I am using R to access .mdb files (created in Microsoft access 2003)  through RODBC. I am able to view the Tables and also list their attributes through the sql............. commands. However, when try to acces the primary keys (using sqlPrimaryKeys /odbcPrimaryKeys) I get a value of  '-1' on my command line, i.e. I am unable to identify the PrimaryKeys in the Tables. Any suggestions why this would happen. [[alternative HTML version deleted]]