Answer Posted / subhendu

The query optimizer is the component of a database
management system to optimize the query. Query optimization
is a function of many relational database management
systems in which multiple query plans for satisfying a
query are examined and a good query plan is identified.


Oracle supports two different Oracle query optimizers, a
rule-based optimizer and a cost-based optimizer. With
Oracle Database 10g, the rule-based optimizer is
desupported.

hi i have 2 users and 4 reports in dashboard.i have to give rights 2 reports for every users. is it possible give the rights in dashboard.if yes plz let me know how is it possible . thanks in advacne for appreciation. bye rohit

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