Caching data using CData ADO.NET Provider for Excel

Connection string

This CData ADO.NET Provider for Excel connection string can be used for connections to Excel 97, Excel 2000, Excel 2002, Excel 2003, Excel 2007, Excel 2010 and Excel 2013.

Excel File=C:\myExcelFile.xlsx;Cache Location=C:\cache.db;Auto Cache=true;
Offline=false;

To retrieve data from the cache, add "#Cache" to the table name. For example, to query cached data from the "Sheet" table, execute "SELECT * FROM [Sheet#Cache]".