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"lucas sultanum" <[EMAIL PROTECTED]> writes: > I have been reading a lot about PostGreSQL but until now I haven't > found anything stating if the PostGreSQL database has any locking > mechanism. If so, could you send me anithing about this esue?? You evidently did not look very hard: http://candle.pha.pa.us/main/writings/pgsql/sgml/mvcc.html http://candle.pha.pa.us/main/writings/pgsql/sgml/sql-lock.html http://candle.pha.pa.us/main/writings/pgsql/sgml/sql-select.html (look at the FOR UPDATE clause) -Neil ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html