Siebel Database Upgrade Guide > Postupgrade Tasks for the Siebel Database >
Setting Oracle Database Parameters After a Siebel Upgrade
Environments: Development, production test, production. Databases: Oracle only. After the Siebel database upgrade is complete, set the following parameters in init.ora:
- optimizer_index_cost_adj. Set this parameter to 1.
- Collecting statistics. To optimize SQL performance, use the PL/SQL package dbms_stats to manage statistics gathering. For additional information on optimizer settings, see 781927.1 (Article ID) on My Oracle Support. This document was previously published as Siebel Technical Note 582.
- For a full list of recommended settings for your postupgrade production environment, see the chapter on configuring the RDBMS in Siebel Installation Guide for the operating system you are using.
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