Re: Two informix versions

Peter Lancashire wrote: > > Tim Jones wrote: > > > > Neil Truby wrote: > > > > > > Mr Cheuk Kong Lo wrote in message <6une8k$k61$1@tst.hk.super.net>... > > > >Is it possible to install two Informix version in same UNIX box? > > > >e.g., 7.2x and 7.3x? [SNIP] > How do you manage to use the same database with different versions of NO! NO! NO! That you CANNOT do. What Mr. Cheuk Kong Lo asked and what Neil Truby and Tim Jones described is running multiple versions on the same machine each with its own independent databases and disks and shared memory structures. NOT sharing databases. > the engine? When you create a db with 7.14 it will mark the db with the > version number. when you run 7.24 against it, it will change the version > number. when you run 7.14 again, does it not look at the version number > left by 7.24 and complain? > I had that (or similar) happen with SE 7.10 and 7.23, when the 7.10 > would balk at the upgraded database (which was now wanting GLS, or the > old NLS). > At some point, weren't indexes altered to be bidirectional? Is this > backward compatible? Art S. Kagel