While taking hot backup (begin end backup) what will happens back end?
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What does the no logging option do? Why would we use it? Why would we be careful of using it?
What are the skills required for oracle dba?
What is mutated trigger? In single user mode we got mutated error, as a dba how you will resolve it?
What are the important tasks of common 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?
Tell me about standby database? What should we watch out for?
How do I become a dba?
What is dba and functionalities of dba?
What are the beneficial tools for administering the database?
How can you find your id on a system?
How can you find out how many users are currently logged into the database? How can you find their operating system id?
Is oracle dba in demand?