sharath srinivas schrieb:
I have been trying to use Apache axis to set up a server that runs a
database and returns the results ( rows of the database) when a query is
submitted to it. Is there any way of exchanging the metadata about the
database, between the server and the client?
For e.g. Server A holds the table: (SSN, Name)
Server B holds the table: (SSN, Age)
Now when the client requests the Age of SSN='XYZ', I need to request it
from Server B and not from Server A. So, can some metadata be exchanged
between the client and the server, so that the client, when it sees a
age query requests it from Server B and when it sees a Name query
requests it from Server A.
Before the first query of the client send out a call to each server and
let them return a list of Queries that they can process. Then let the
client store it and decide next time, it makes a call, which endpoint to
choose.
BTW, I heard that (at least in the US) the social security number is not
allowed as a primary key for databases because of the potential abuse
and privacy rights. Make an artificial key, it is a cleaner database
design anyway. If not we IT guys honor privacy in software, no one else
will.
HTH,
Chris
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