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Re: Jasmine Good or not -
07-04-2003
, 11:22 AM
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If you want a real ODBMS then you need to look at the following commercial vendors: Versant, Progress and Poet. |
Hugo
#2
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Hi Bob, Don't know when the last time was that you looked at the various OODB vendor products, but just thought I would set the record straight. Versant has always had a server side query execution capability with full indexing ( hash, b-tree, unique ). In fact, you can even get ODBC drivers if you really want to bastardize your use of an object database and access Versant through such reporting tools as Crystal Reports and the like. |
query language, SQL for most developers, in the server side.
Supporting b-tree, hash, etc is just an underlying technology.
Versant ODBC does not execute in the server, so it could lead
to a horrible performance.
In my opinion, standard query language support is the first
thing any DBMS needs to achieve. Unfortunately many ODBMS vendors
didn't pay attention to it. Only two commercial ODBMS
support SQL in the server side, Cache and Matisse.
Quote:
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In terms of scalability, you would have to explain from which perspective you are discussing the term because it is so often cluttered in it's use. From a size perspective, Versant is handling +5T XML data for Dow Jones and Reuters. From a concurrency perspective, Versant is handling in excess of 3,000 simultaneous active connections for Sprint. In terms of throughput, Versant is handling in excess of 25,000 tx/sec for the American Stock Exchange. |
Each data is a number at one measuring point.
Bob
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