Discuss row chaining, how does it happen? How can you reduce it? How do you correct it?
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Explain the wait events in statspack report 'db sequential real'?
Users get the following error: ora-00055 maximum number of dml locks exceeded? What is the problem and how do you fix it?
What is ora-1555 snapshot too old error? Explain in detail?
What is explain plan and how is it used?
What command is used to type files to the screen?
If a tablespace shows excessive fragmentation what are some methods to defragment the tablespace? (7.1,7.2 and 7.3 only)
How can I learn oracle dba?
What is a dba certification?
How many dba can you have?
What is the difference between truncate and delete? Can we rollback both? How would a full table scan behave after?
What is the most important action a dba must perform after changing the database from noarchivelog to archivelog?
When should you increase copy latches?