What happens if a primary key constraint is disabled and then enabled without fully specifying the index clause?
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Discuss row chaining, how does it happen? How can you reduce it?
Explain the wait events in statspack report 'db scattered read', 'db sequential real', 'enqueue'?
What are the important tasks of common oracle dba?
A user is getting an ora-00942 error yet you know you have granted them permission on the table, what else should you check?
How many types of database software are there?
If you see the value for reloads is high in the estat library cache report is this a matter for concern?
How can you find your id on a system?
What are the data management skills?
Explain procedure to change characterset of a database.
How do I become a data manager?
What are the different types of database users?
What is a production dba?