Discuss row chaining, how does it happen? How do you correct it?
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Describe hit ratio as it pertains to the database buffers. What is the difference between instantaneous and cumulative hit ratio and which should be used for tuning?
What is oracle full backup?
System tablespace cant be exported from one database and imported into another why?
Which rman command is used to create an exact replica of a database innew host?
Users get the following error: ora-00055 maximum number of dml locks exceeded? What is the problem and how do you fix it?
How can you determine if the sqlnet process is running for sqlnet v1? How about v2?
What database block size should I use?
How can you find out how many users are currently logged into the database?
What does a hard one-to-one relationship mean (one where the relationship on both ends is "must")?
When should an artificial (or derived) primary key be used?
What skills do you need to be a database administrator?
You attempt to add a datafile and get: ora-01118: cannot add anymore datafiles: limit of 40 exceeded. What is the problem and how can you fix it?