System tablespace cant be exported from one database and imported into another why?
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What is the difference between rman and a traditional hotbackup?
How can be determining the size of the log files?
When configuring sqlnet on the server what files must be set up?
How can I learn oracle dba?
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?
What is pct free/pct used/pct increase parameter in segment?
What are the types of schemas?
Explain the process you follow to start looking into performance issue at database level(if the application is running very slow, at what points do you need to go about the database inorder to improve the performance?)
What are the main functions of dba?
What is difference between logical standby database and physical standby database?
what does the no logging option do? Why would we use it?
What are the skills required for oracle dba?