On 09/04/11 23:57, David Jordan wrote:
>>From my observations, I don't quite agree on Tony's summation of Cache vs U2. 
>> Cache has the same burden as U2 in that they came from mumps where U2 came 
>>from Pick.  The biggest difference between Cache and U2 is marketing where 
>>Cache takes on RDBMS and U2 is apologetic for being Pick, but that is not the 
>>issue with the technology.   Cache is a multi dimensional platform, the same 
>>as Pick but in a slightly different way.   U2 has SQL just as much as Cache, 
>>I have applications written in U2 that have SQL tables and SQL grants and can 
>>be accessed with SQL queries.   If Cache can sell itself as an SQL database, 
>>then so can U2 they are both in the same boat.  Whilst I think some of 
>>Cache's technology is clever in their object model, people need to consider 
>>some issues with Cache.   Check that the ATOMic transaction model is what you 
>>expect.  U2 complies to the standards, when I looked at Cache, I don't 
>>believe that they did.   Also consider the continuity of the company, what i
s
>   the future of Intersystems when the founder exits, where Rocket is a more 
> established business that is not so dependent on key managers. 

To which I'll add, if Cache owes its MV-ness to any particular variant,
it's jBase. Intersystems took on Jim Idle when he left jBase/Temenos, as
far as I am aware to write a MV-Basic compiler. But don't quote me on that.

So there is real MV input into Cache, despite it not originally coming
from that particular stable (btw, MUMPS, like Pick, is a string-oriented
system - though I dunno where it's gone since then).

Cheers,
Wol
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