An function to help setup connections to SQL databases
acting as a wrapper for the odbc and DBI packages. Used by other sql_*
tools within epidm. This uses the credential manager within the system and
assumes you are using a trusted connection.
Usage
sql_connect(server, database)
Value
a SQL connection object
Arguments
server
a string containing the server connection;
note that servers may require the use of double backslash \\
database
a string containing the database name within the data store