What is the relation between database and instance?
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What do you understand by the term 'system change number (scn)'?
What do you mean by oracle database?
Discuss row chaining, how does it happen? How can you reduce it? How do you correct it?
How can I learn oracle dba?
You see the following on a status report: redo log space requests 23 redo log space wait time 0 is this something to worry about? What if redo log space wait time is high? How can you fix this?
What exactly does a dba do?
What is the difference between a database and instance?
What is a dba why is this position necessary?
How many databases should a dba manage?
If a tablespace shows excessive fragmentation what are some methods to defragment the tablespace? (7.1,7.2 and 7.3 only)
Which rman command is used to create an exact replica of a database innew host?
Do you need a commit after ddl statements?