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Step 6:  Click the OK button. Now, you see the selected table ranges under Available Table/Ranges section.
                 Check on Update every checkbox and mention the time in which you want to update it. Click the OK
                 button.



























                 The data imported from the text file in the Calc worksheet is linked to the file and will reflect changes
                 when the text file is changed.

        Linking to Registered Data Sources

        You can access a variety of databases and other data sources and link them into Calc documents. First you need
        to register the data source with LibreOffice. Registering data source means to specify what type of data source
        it is and where the file is located. The way to do this depends on whether or not the data source is a database in
        *.odb format.
        To register a data source that is in Base format:
        Step 1:   Click on  Tools  Options.

































        Step 2:  The Options-LibreOffice Base- Databases dialog box will open. Click on  LibreOffice Base  Databases.


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