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\begin{summarylist}{ll}
\predicatesummary{current_persistent_predicate}{1}{True if PI is a predicate that provides access to the persistent database DB.}
\predicatesummary{db_assert}{1}{Assert Term into the database and record it for persistency.}
\predicatesummary{db_attach}{2}{Use File as persistent database for the calling module.}
\predicatesummary{db_attached}{1}{True if the context module attached to the persistent database File.}
\predicatesummary{db_detach}{0}{Detach persistency from the calling module and delete all persistent clauses from the Prolog database.}
\predicatesummary{db_retract}{1}{Retract terms from the database one-by-one.}
\predicatesummary{db_retractall}{1}{Retract all matching facts and do the same in the database.}
\predicatesummary{db_sync}{1}{Synchronise database with the associated file.}
\predicatesummary{db_sync_all}{1}{Sync all registered databases.}
\oppredsummary{persistent}{1}{fx}{1150}{Declare dynamic database terms.}
\end{summarylist}