I know nothing about Access but if you call GetSchema() without specifying a collection name you should get *everything* back.
As a last resort poking around in that should give you a clue to the collection you need......

>I have this code:
>
>

>static void Main(string[] args)
>{
>    // Microsoft Access provider factory
>    DbProviderFactory factory = DbProviderFactories.GetFactory("System.Data.OleDb");
>
>    DataTable Info = null;
>
>    using (DbConnection connection = factory.CreateConnection())
>    {
>        // c:\test\test.mdb
>        connection.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=K:\KevinM\Apex\APEX Data Warehouse - ProfitKey San Marcos.mdb";
>
>        // We only want user tables, not system tables
>        //string[] restrictions = new string[4];
>        //restrictions[3] = "Columns";
>
>        connection.Open();
>
>        // Get list of user tables
>        //Info = connection.GetSchema("Tables", restrictions);
>        // Info = connection.GetSchema("Tables");
>        Info = connection.GetSchema("Views");
>
>        int Count = Info.Rows.Count;
>    }
>}
>

>
>It returns table and view info for an MS Access database. Anyone know how to get the JOIN info?