oracle - ORA-01460 unimplemented or unreasonable conversion requested sqldeveloper -

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i connected database using sql developer.

i can make queries, "open description in popup" on stored procedure, throws "object not found" message. if try open browser options: views, procedures, functions, materialized views, throws error "ora-01460 unimplemented or unreasonable conversion requested".

your version of sql developer using jdbc driver (12.2.1.0) speaking dialect version of database, not understand.

you can try use thick client connection - configure sql developer use 11.2.0.3 instant client make connection - , might - depends on how old database is.

your other option use older version of sql developer ships older version of jdbc driver.

ideally you'll want keep databases updated modern versions. that's ultimate , hardest solution though.


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