What is the use of the drop option in the alter table command?
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What is an artificial (derived) primary key?
Users are not being allowed on the system. The following message is received: ora-00257 archiver is stuck. Connect internal only, until freed. What is the problem?
What does dba stand for database?
The system administrator tells you that the system has not been rebooted in 6 months, should he be proud of this?
Discuss row chaining, how does it happen? How do you correct it?
How do you prevent oracle from giving you informational messages during and after a sql statement execution?
Explain the wait events in statspack report 'db scattered read', 'db sequential real', 'enqueue'?
What is the difference between rman and a traditional hotbackup?
How do I become a dba?
What is the main function of database?
Discuss row chaining, how does it happen? How can you reduce it?
You have installed oracle and you are now setting up the actual instance. You have been waiting an hour for the initialization script to finish, what should you check first to determine if there is a problem?