Daniel Roth <[EMAIL PROTECTED]> writes: > But MSSQL (SQL Server) does predicate locking.
> Places a range lock on the data set, preventing other users from > updating or inserting rows into the data set until the transaction is > complete. This is the most restrictive of the four isolation levels. Range locks are a far cry from general predicate locks. regards, tom lane PS: kindly don't email me privately while posting the same message to the lists. You think I have time to answer things twice? ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org