-style table
functions let you efficiently import foreign data into
tables.
Table functions let you join
tables with any of
the following data sources:
- XML-formatted reports and logs
- Queries that run in foreign databases
- Streaming data from sensors
- RSS feeds
See "CREATE FUNCTION statement" in the
for the complete syntax needed to
declare -style table
functions. The following topics
provide information on how to write Java methods which wrap
foreign data sources inside ResultSets.