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Re: Other tree representations in SQL

From: --CELKO-- <71062.1056_at_compuserve.com>
Date: 6 Dec 2002 14:39:20 -0800
Message-ID: <c0d87ec0.0212061439.2b680a6f@posting.google.com> 





>> I haven't been around long enough to know too much about

hierarchical databases and I have never had my hands on such a system,
but maybe you could educate me a little bit: <<



Read the three part tutorial on IMS at www.dbazine.com.  These days
IMS is the only surviving hierarchical database.



In IMS, there no such thing as a class model or any of that modern
stuff.  It is still in the "Cobol record" mode.
Received on Fri Dec 06 2002 - 16:39:20 CST












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