Types of Database Access
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The database interface from OpenOffice.org is available in the OpenOffice.org Writer and OpenOffice.org Calc applications, as well as in the database forms.
In OpenOffice.org Writer, standard letters can be created with the assistance of SDBC data sources and these can then be printed out. There is also an option for moving data from the database window into text documents using the drag-and-drop function.
If the user moves a database table into a spreadsheet, OpenOffice.org creates a table area which can be updated at the click of the mouse if the original data has been modified. Conversely, spreadsheet data can be moved to a database table and a database import performed.
Finally, OpenOffice.org provides a mechanism for forms based on databases. To do this, the user first creates a standard OpenOffice.org Writer or OpenOffice.org Calc form and then links the fields to a database.
All the options specified here are based on the user interface from OpenOffice.org. No programming knowledge is needed to use the corresponding functions.
This chapter, however, provides little information about the functions specified, but instead concentrates on the programming interface from SDBC, which allows for automated database querying and therefore permits a much greater range of applications to be used.
Basic knowledge of the way in which databases function and the SQL query language is however needed to fully understand the following sections.
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