Which is the best option used to move database from one server to another serve on same network and why?
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If you see the value for reloads is high in the estat library cache report is this a matter for concern?
What is the difference between a materialized view (snapshot) fast refresh versus complete refresh? When is one better, and when the other?
What do you mean by oracle dba?
What does a dba do all day?
How many control files should you have?
Why do we need a database?
What are the main functions of dba?
Explain dual table. Is any data internally stored in dual table. Lot of users is accessing select sysdate from dual and they getting some millisecond differences. If we execute select sysdate from emp; what error will we get. Why?
How can you find out how many users are currently logged into the database?
What is main function of database administrator?
You see multiple fragments in the system tablespace, what should you check first?
What do you mean by dba?