How Offiline Data loading is possible from MS Access DB to Oracle DM

HI All,
I am new to Oracle.
I am trying to migrate few tables from MS Access DB to Oracle DB (10g)
I have used the migration utility from the Sql Developer tool.
I was successful in creating the schema and also transferring the data for tables.
But if my data in Access DB is updated everyday then how am i suppose to link this to newly created oracle tables?
Is there any way to do this?
And if i want to load the Oracle tables offline using "Generate Offline Data Move Scripts" option in sql developer then how do i do it?
I tried using the option "Generate Data Move Scripts" right click option on converted object then the utility created few files on my local machine.
I am not able to make my way fwd.
Please help me.
regards,
Sushil

Hi Sushil,
I will try to address each of your questions:
Q: "if my data in Access DB is updated everyday then how am i suppose to link this to newly created oracle tables? Is there any way to do this?"
A: Depending on your reasons for maintaining the use of the MS Access database, you have two options.
1. lf you are continuing to use the MS Access database because the application front end is MS Access forms & reports then you could just create linked tables to the newly migrated Oracle tables. Doing so will mean that any data modified via the frond end forms & reports will be saved directly in the Oracle database.
2. If you wish to continue saving data to the MS Access database, then transfer it to the Oracle database, then you can just use the "Migrate Data" option in Oracle SQL Developer Migration Workbench to carry out this task. You just need to ensure that you've an open connection to your migration repository, and have the converted model for the migrated database. You will then just transfer the data online, like you have already done.
Q: "And if i want to load the Oracle tables offline using "Generate Offline Data Move Scripts" option in sql developer then how do i do it?"
A: To migrate your MS Access data offline, you need to do the following:
1. Run the Exporter tool for MS Access, and select the "Export for Oracle SQL Developer" option. On the second screen of the tool, browse to the location of your MDB file, provide a location for the output directory and ensure you select the "Export Table Data" option before you click the "Export" button. This option generates a .DAT file for each table containing data in your MDB file.
2. In Oracle SQL Developer, once you have carried out your migration, select the Migration > Script Generation > Generate Data Move Scripts menu item and select the Converted Model to generate the scripts for. An "MSAccess" folder will be generated in the path specified in the "Generate Offline Data Move Files" dialog.
3. Navigate to the "MSAccess" folder generated in step 2, and this folder should contain a "oracle_ctl.bat" file, which
for your converted model.
4. Edit the "oracle_ctl.bat" file and update the script to replace <Username>/<Password> with the actual username/password combination required to connect to the migrated schema e.g. for a migrated Northwind database, this combination would be northwind/northwind. Save the changes to the file.
5. Copy the .DAT files generated in step 1 to the /MSAccess/Oracle folder. The .ctl files refer to the .DAT file in order to load the data into Oracle using SQL*Loader.
6. Open each of the .ctl files and check the file name referenced on the 2nd line of the file e.g. infile '[Categories].null', where the file name is "Categories.null". The ".null" part must be updated to ".dat". This is a known issue and a fix for this will be available in a future release of the Oracle SQL Developer Migration Workbench. Save the changes to the .ctl files.
7. Open up a Command Prompt & navigate to the /MSAccess folder, and run the "oracle_ctl.bat" file to load the data into the Oracle database tables. If you experience any issues during this process, check the output in the command prompt & try to resolve any reported issues. If you are unable to do so, please refer to the Migration Workbench forum - Database and Application Migrations If you cannot find a solution from the existing threads, please post a new thread, giving the full syntax of any reported error messages.
I hope this helps.
Regards,
Hilary

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