TableExist is used to test for the existence of a table.
This method may needs some privilege according to the database product and its version.
Examples
Following section demonstrates determining whether the specified [Table] exists.
using(var exc = cn.Executer())
{
// by table alias
exc.TableExist(new Orders());
// by table type
exc.TableExist<Orders>();
// by table name
exc.TableExist("table1");
}