Statice now runs on Unix

Date: 15 Jun 93 14:55:48 GMT

Hi there,

since I've never seen 'Symbolics' or 'Statice' in
comp.database.object, this might be interesting:

A few days ago, Symbolics announced the availability of a beta-
release of their ODBMS 'Statice' on Unix platforms. It is quite
powerful and tightly integrated within Common Lisp.
Currently, Symbolics and LUCID are supported.
People (like me) used to Symbolics' Genera development environment 
can continue to use Statice there (where it has been already
successfully employed in 'real world' applications)
and now also use it on Unix Workstations.  (Those are the cheaper
boxes, I guess). Both kinds of platforms can be freely intermixed
in a network.

Statice is based on standards of Lisp: CLOS and CLIM 
(Common Lisp Object System, resp. Common Lisp Interface Manager)

Here's the address of Symbolics in Germany; they're mostly 
responsible for Statice on Unix:

Symbolics Systemhaus GmbH
Mergenthalerallee 77
6236 Eschborn (til June 31)
65760 Eschborn (from July 1)
Tel. (49) 6196-47220, Fax (49) 6196-481116

Contact person is Dr. Thomas Neumann (TN@symbolics.de).

Also:

"Update Database Schema" brings an existing database into conformance
with a modified schema.  Changes are classified as either compatible
(lossless, i.e., completely information-preserving) or incompatible
(i.e., potentially information-losing in the current implementation).
Basically, any change is compatible except for the following:

    -- If an attribute's type changes, all such attributes extant
    are re-initialized (nulled out).  Note that Statice permits
    an attribute to be of type T, the universal type.  Such an
    attribute can then take on any value without schema
    modification or information loss.

    -- If a type's inheritance (list of parents) changes, the
    type must be deleted and re-created, losing all extant
    instances of that type. This is Statice's most serious
    current limitation.  The simplest workaround is to employ a
    database dumper/loader (either the one supplied by Symbolics
    or a customized one) to save the information elements and
    then reload them into the modified schema.

[Lawrence G Mayka <lgm@IExist.ATT.COM>]


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And:
From: jonh@unisql.UUCP (Jon Higby)
Newsgroups: comp.databases,comp.databases.theory,comp.databases.object,comp.object