I am not to sure of the relevance, but I periodically worked as a
sub-contractor for an
Oil-producing Company in California. They were carrying 35 years of
data on an Alpha Server
running Ca-Ingres. The really bad part is that hundreds and hundreds
of reporting tables were
created on top of the functioning system for reporting over the years.
Now nobody know which
tables are relevant and with are redundant and or deprecated.
Also year after year, new custom text file reports were created with
procedural scrips. The load
on the server was such that the daily reporting was taking near taking
23 hours to complete. And
the requests for new reports was getting the IT department very
worried.
But the data from 35 years ago wasn't stored in Ingres and, if it's
important, it won't stay in Ingres. The data shifts from format to
format as technology progresses.
It seemed to me that the OP wanted some format that would be readable
in 20 years. No one can guarantee anything like that.
-M
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AgentM
agentm@xxxxxxxxxxxxxxxxxxxxx
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