What should a dba know?
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What causes the "snapshot too old" error? How can this be prevented or mitigated?
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?
Which date function is used to find the difference between two dates?
What is pct free/pct used/pct increase parameter in segment? What is growth factor?
How do I become a data manager?
You look at the dba_rollback_segs view and see that you have a large number of wraps is this a problem?
What do you understand by the term 'system change number (scn)'?
What are the daily activities of oracle dba?
How can you tell if a tablespace has excessive fragmentation?
What do you understand by the term 'normalization'?
You see multiple extents in the temporary tablespace. Is this a problem?
What is the difference between truncate and delete? How would a full table scan behave after?