What is the difference between a database and instance?
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Explain the wait events in statspack report 'db sequential real'?
Tell me about standby database? What should we watch out for?
You see multiple extents in the temporary tablespace. Is this a problem?
What file will give you oracle instance status information? Where is it located?
What does an oracle dba do?
What is difference between co-related sub query and nested sub query?
What is explain plan and how is it used?
What is the use of the drop option in the alter table command?
How do you use automatic pga memory management with oracle 9i and above?
How can you find out how many users are currently logged into the database?
What is the difference between truncate and delete? Why is one faster? Can we rollback both? How would a full table scan behave after?
What is the easiest method to create a file on unix?