What are the steps involved in instance recovery in oracle?
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What do you understand by the term 'system change number (scn)'?
How can I learn oracle dba?
When should you increase copy latches? What parameters control copy latches?
Explain dual table. Is any data internally stored in dual table. Lot of users is accessing select sysdate from dual and they getting some millisecond differences. If we execute select sysdate from emp; what error will we get. Why?
Explain procedure to change characterset of a database.
What is the most important action a dba must perform after changing the database from noarchivelog to archivelog?
What is oracle log switch?
A tablespace has a table with 30 extents in it. Is this bad? Why or why not.
List five most important parameter in 9i affecting performance?
I have applied the following commands: now what will happen, will the database will give an error / it will work?
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 are the types of locks in database?