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Don't Move Last unless you really need to: this will be slow with a large recordset or a recordset drawn across a network.Record Count will always be at least 1 if records exist, so there is no need to Move Last if you only want to know if you have records to work with.This applies to complex data types - multi-value fields and attachments - in an ACCDB, not MDB.
So if you later split your database so the tables are attached, the code fails when you use a method that no longer applies. Dynaset guarantees your code will work for all queries and tables, local and attached.Button1Click(Sender: TObject); begin with Oracle Data Set1 do begin Open; Show Message(' ROWID of the first record = ' Field By Name(' ROWID').This article highlights ten common traps with DAO recordsets in VBA code.When you Open Recordset() on a query or attached table, Access defaults to a Dynaset type (db Open Dynaset).When you Open Recordset() on a local table, it defaults to a Table type (db Open Table.) The Table type has different methods (e.g.