RODBC与Oracle数据库的连接无法正常工作，导致R崩溃

I have a number of scripts that pull data from an Oracle 10g database via ODBC on Windows XP that have worked well for quite a while. I recently setup a new Oracle account to pull data from another schema of the same database, however when I test using that account and the different schema I get strange results, and can (reliably) sometimes kill R completely !I have a number of scripts that pull data from