paul c wrote:
> paul c wrote:
>
>> Lennart wrote:
>>
>>> Aloha Kakuikanu wrote:
>>> [...]
>>>
>>>> Please make sure you use terms correctly. What you have meant by
>>>> "lineage" is "transitive closure". This article
>>>> http://www.sqlteam.com/item.asp?ItemID=8866
>>>> uses the term "lineage" in the sense of "materialized path".
>>>
>>>
>>>
>>>
>>> I especially liked the phrase "Don't worry about the loop" :-)
>>>
>>> /Lennart
>>>
>>
>> I especially laughed at the phrase "XML handles hierarchical ... quite
>> well". How the dickens does XML per se calculate transitive closure
>> or depth from an adjency list or an adjaceny list from a tree? It
>> seems to me that XML by itself only allows adhoc solutions that are
>> just as non-declarative as various SQL versions. For that matter,
>> the original relational model seems to requires similar adhoc
>> additions. I don't have a solution, but it seems to me that all three
>> are lacking and it is irresponsible, ignorant and cavalier to use the
>> adverb "well" regarding accomplishing closure with any of them.
>>
>> p
>
>
> sorry about the spelling, mine is going down-hill as fast as my opinions
> are ossifying, i guess it should be adjacency but sooner or later some
> marketing type will spell it 'agency list'.
>
> p
... and yet another wild-goose chase will ensue.
p
Received on Tue Nov 21 2006 - 18:41:33 CST
