Transfers can be configured for the host that you are currently connect to or you can select a different host.
SQL queries are used when downloading one or more files to your PC. An SQL query allows you to select specific records, how they are sorted, and how they are grouped. Click Options to connect to the server to retrieve the field information for each file selected. You can type the SQL query directly into the field or click Options to use the SQL Query Options window to create SQL queries.
Refer to Building SQL queries for more information.