Stuart McLachlan
stuart at lexacorp.com.pg
Sat May 12 05:13:56 CDT 2007
On 12 May 2007 at 13:52, Shamil Salakhetdinov wrote: > BTW, what was the longest master->detail->...->detail chain for a database > you developed? > > >From my experience an average value for the length of these chains is 2.5; > if it's 3 then the third level table is usually a (many to many) > relationship table; sometimes length of chains can be even 5 but I have > never seen chains longer than five... > > Do they exist? I'm currently working on an Electoral roll which has a seven level chain: Province District Local Level Government Area Ward Locality Location Voter -- Stuart