Difference between revisions of "Documentation/DevGuide/Database/Queries"
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Revision as of 08:00, 5 June 2008
- The DataSource Service
- Queries
A com.sun.star.sdb.QueryDefinition encapsulates a definition of an SQL statement stored in OpenOffice.org API. It is similar to a view or a stored procedure, because it can be reused, and executed and altered by the user in the GUI. It is possible to run a QueryDefinition against a different database by changing the underlying DataSource properties. It can also be created without being connected to a database.
The purpose of the query services available at a DataSource is to define and edit queries. The query services by themselves do not offer methods to execute queries. To open a query, use a com.sun.star.sdb.RowSet service or the com.sun.star.sdb.XCommandPreparation interface of a connection. See the sections The RowSet Service and PreparedStatement From DataSource Queries for additional details.
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