Download Pro Oracle application express by John Edward Scott; Scott Spendolini PDF
By John Edward Scott; Scott Spendolini
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Running the New Application If you run the application you just created, you will be presented with a page asking for your username and password. This is because the application was created using APEX authentication. This authentication method means that you will need to log in using the credentials of an APEX user that has been created by a workspace administrator. Figure 2-6 shows the page that is displayed once you have logged in to the application. CHAPTER 2 ■ MIGRATING TO APEX FROM DESKTOP SYSTEMS Figure 2-6.
Figure 2-32. OMW main window Use the Capture Source Model wizard to load the XML file that you created earlier. If you did not create an XML file yet, the wizard gives detailed instructions on how to do so, as shown in Figure 2-33. CHAPTER 2 ■ MIGRATING TO APEX FROM DESKTOP SYSTEMS Figure 2-33. OMW Capture wizard The wizard will then lead you through a number of steps. You can change the mappings that will be used between data types and some other settings, as necessary. You can then continue to create the source database model itself, which, depending on the speed of your machine and the size of the database, may take a few minutes (or longer).
Data loading utilities within APEX This manual method of migrating your existing data works well if you have a small number of tables. It can become laborious if you have many tens or hundreds of tables (we’re really hoping that nobody is using Access with thousands of tables). 41 42 CHAPTER 2 ■ MIGRATING TO APEX FROM DESKTOP SYSTEMS Using the ODBC Database Export Method One of the export formats available in Access is ODBC Database. With this option, you can use an ODBC connection to directly transfer the data from the Access table to the Oracle database.