Re: EDB from a system designer's viewpoint

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MySql is not "Commercial Grade". Although good in it's own right,
it is lacking some dbm features. MySql is a "file based" B-Tree
keyed file system with SQL layered on top.

For "Industrial Strength" OSS, there are Postgres and Firebird.

Another good "file based" dbm, is the BerkleyDBM. It has "transaction"
journalization, something that MySql lacks.
see: http://www.sleepycat.com

Pick is the Old PICK Database/operating system. However, the database
engine was latter rolled out as a stand alone product. The direct
heir to PICK database is UniVerse/UniData, now owned by IBM when they
acquired Informix. There is also the MvBase from JBASE. All these can be
considered 4th Generation PICK DBM's, in that they support SQL,
transaction journal's, external Index key files and several other
features.

MaVerick is suppose to be a OSS implementation of the PICK dbm,
but in reality, it is a JAVA API that uses Postgres as the database
engine while simulating MultiValues.

As far as I can find, there is no "real" open-source PICK database
engine anywhere.

sixs wrote:
> 
> 
> Hello,
> I am wondering about Mysql. Isn't it one that is commercial grade.? Is
> the PICK database the old PICK operating system and database? Is PICk
> open source now or low cost?
> Jvandal 
> 


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Ben Duncan   Phone (601)-355-2574     Fax (601)-355-2573   Cell (601)-946-1220
                         Business Network Solutions
                      336 Elton Road  Jackson MS, 39212
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