A query that has run for a long time has suddenly started hanging. The query
joins 3 tables - 2 of them across a link. The query runs on an RDBMS 8.0.5 NT.
The tables across the link are on AIX RDBMS 7.3.2.3. All indexes are VALID.
When I connect to the NT and run the query by hand it also hangs. But I can
join the NT table to each of the AIX tables and get instant results - I just
cannot join all three.
When I do a describe across the link I get "ORA-12663-Services required by the
client not available on the server."
Any ideas for further troubleshooting?
..tom
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