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- Path: sparky!uunet!olivea!gossip.pyramid.com!pyramid!infmx!aland
- From: aland@informix.com (Colonel Panic)
- Newsgroups: comp.databases.informix
- Subject: Re: Negative PIDS, and SE/Online questions
- Message-ID: <1993Jan12.025433.3798@informix.com>
- Date: 12 Jan 93 02:54:33 GMT
- References: <1isconINN965@emory.mathcs.emory.edu> <1993Jan11.220300.16666@informix.com>
- Sender: news@informix.com (Usenet News)
- Organization: Helen Keller Bondurant's Performance Driving School for the Blind
- Lines: 33
-
- In article <1993Jan11.220300.16666@informix.com> davek@informix.com (David Kosenko) writes:
- >>My next question is about SE. I am very familiar with all the Informix
- >>tools available to me when using Online. I am not familiar with SE.
- >
- >bcheck is the SE equiv of tbcheck, though it provides less (no equiv
-
- Also CHECK TABLE within SQL, for any table that isn't already open otherwise.
-
- >of the -p options); SET EXPLAIN is available with SE; there are no lock
- >modes or extents with SE, so these ALTER TABLE statements do not
-
- Minor nit: SET LOCK MODE *is* available with SE, if the port uses kernel-level
- record locking (although the wait time period parameter is not supported).
-
- >apply. Off the top of my head, the following OnLine items are not
- >available with SE:
- > Isolation levels
- > BLOBS
- > VARCHARs
- > Buffered/Unbuffered Log toggle
- > Distributed queries (I-Star)
- > Deferred constraints
-
- Also not that the whole logging methodology is different; the database log is
- maintained as a separate UNIX file which must be manually emptied after
- completing a database backup. See the doc.
-
- >Dave
-
- --
- Alan Denney aland@informix.com {pyramid|uunet}!infmx!aland
-
- Elvis: shot a TV when bored. Amish Elvis: beat a book with a stick when bored.
-