Once xdbcquery is started, you can view a list of command options and other helpful information by executing the /? command. Doing so displays the following information:
| Option | Parameter | Description | 
|---|---|---|
| /c | connect_string | Connect to a database | 
| /x | c r [u] | Commit or Rollback transaction and, if u is specified, start a read/write transaction | 
| /d | s tstring | Describe an SQL statement or table | 
| /r | file name | Run statements/commands from a file; files can be chained, but not nested | 
| /o | cmd parameters | Execute driver command | 
| /m | mask | Set datetime format mask | 
| /n | null | Indicates what to display for a NULL value; default is blank | 
| /l | N | N lines displayed for SELECT; "0" for continuous | 
| /p | [N T [data]] | Just /p to reset Parameters: 
 | 
| /v | y n | Verbose messages - n for errors only | 
| /b | - | Display database request block | 
| /s | N | Sleep for N seconds | 
| /? or /h | - | Help screen | 
| /q | - | Quit session and exit |