Excel 97
Standard
Driver={Microsoft Excel Driver (*.xls)};DriverId=790;Dbq=C:\MyExcel.xls;DefaultDir=c:\mypath;
Specify ReadOnly
[Microsoft][ODBC Excel Driver] Operation must use an updateable query. Use this connection string to avoid the error.
Driver={Microsoft Excel Driver (*.xls)};Dbq=C:\MyExcel.xls;ReadOnly=0;
SQL syntax "SELECT [Column Name One], [Column Name Two] FROM [Sheet One$]". I.e. excel worksheet name followed by a "$" and wrapped in "[" "]" brackets.