What is the difference between a database and instance? What is the relation between them?
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You have just started a new instance with a large sga on a busy existing server. Performance is terrible, what should you check for?
When should the default values for oracle initialization parameters be used as is?
What is the difference between raid 5 and raid 10? Which is better for oracle?
What is the advantage of using rman?
How do you prevent oracle from giving you informational messages during and after a sql statement execution?
What are the functions of administration?
What is oracle archived redo log?
The system administrator tells you that the system has not been rebooted in 6 months, should he be proud of this?
How does one create a new database?
I am getting error "no communication channel" after changing the domain name? What is the solution?
What is the difference between a materialized view (snapshot) fast refresh versus complete refresh? When is one better, and when the other?
What does a dba do all day?