> David Busby ha scritto: > > A database would not work because I wouldn't be able to #1 make > > this easy tree structure to scan It will -read SQL for Smarties. It describes easy structure to pack trees in and seriously - I've tried it - it works perfect with PostgreSQL (as it provides triggers etc.) and overhead is minimal.
> > #2 it will be smaller storage > > wise in files and in a DB with all that overhead > > #3 digging > > through the tree is faster than an index scan in mysql, postgresq > > or DB2 with as many records as I'll have. see above. -- Dmitry Makovey Web Systems Administrator Athabasca University (780) 675-6245
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