What is da in database?
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What is the difference between a database and instance? What is the relation between them?
Discuss row chaining, how does it happen?
How can you find out how many users are currently logged into the database?
You look at your fragmentation report and see that smon has not coalesced any of you tablespaces, even though you know several have large chunks of contiguous free extents. What is the problem?
Explain procedure to change characterset of a database.
Which date function is used to find the difference between two dates?
What is the difference between internal & external schema?
Which rman command is used to create an exact replica of a database innew host?
What does >> do?
How does one create a new database?
What is the purpose of the grep command?
What is the difference between raid 5 and raid 10? Which is better for oracle?