Trees or Tables? LDAP or RDBMS?

A picture of an AppleBox tree

I believe OpenDS will turn out to be a very popular project. The team has been taking a soft-launch approach but they actually are already in pretty good shape - check the OpenDS tag for some earlier news.

Trey recently wrote a blog entry contrasting LDAP with RMDBS. In part it boils down to whether your application data is better modeled by Trees or Tables. Check out Trey's blog. You may want to also check the LDAP page at Wikipedia, and the latest standard spec, LDAPv3, at IETF


I have yet to read the blog entry you mention, but having built trees in both RDBMS and LDAP, I would go for the RDBMS route any day. LDAP is a horrible place to store anything other than users/passwords and network login stuff. What a pain it was to actually walk the tree and even worse actually store information in it.

Posted by Robert on February 12, 2007 at 03:07 PM PST #

Trey has also posted Part 2. - eduard/o

Posted by eduardo pelegri-llopart on February 23, 2007 at 03:33 AM PST #

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