How to avoid this very heavy query that slows down the application?

Question

We have a web application running in a production enviroment and at some point the client complained about how slow the application got.

When we checked what was goi

Answer 1

Is the sys schema in your 10g database analyze with updated stats? Have you collected stats on the fixed tables in the sys schema. Queries on all_objects shouldn't be that taxing to a system. If you run the query via autotrace/tkprof what/where is the major of the resources be spent at.