ms-access-2003

I have CSV and TXT files to import. I am importing the files into Access and then inserting the records into a linked Oracle table. Each file has around 3 million rows and the process is taking a long time to complete. Importing into Access is very fast, but inserting into the linked Oracle table is taking an extremely long time. Here is the process I am currently using: DoCmd.TransferText acImportFixed, "BUSSEP2014 Link Specification", "tblTempSmartSSP", strFName, False db.Execute "INSERT INTO METER_DATA ([MPO_REFERENCE]) SELECT MPO_REFERENCE FROM tblTempSmartSSP;"` tblTempSmartSSP is an

I am new to access (I have only 2003 version) and I am getting crazy. Consider also that I am a novice with DB in general, so now I am at the point that I am very confused... please help. I am trying to design a database to catalogue all the books I have. I created the tables and set the relationships Image of my DB http://img716.imageshack.us/img716/4592/databasev.png ; I have a few tables related to the “Books” one in Many-to-Many relationship (e.g. Authors: each book can have multiple authors and each author can “have” multiple books) and a few others in a simple One-To-Many (e.g. book type