How many databases should a dba manage?
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What kinds of responsibilities does a dba have in a database environment?
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 a database instance?
How can you determine if the sqlnet process is running for sqlnet v1? How about v2?
What does a dba stand for?
What is the difference between cold backup and hot backup?
Why are recursive relationships bad? How do you resolve them?
What is the relation between database and instance?
What does the no logging option do? Why would we use it? Why would we be careful of using it?
How do you put database is archivelog mode, explain procedure?
Who is a database user?
How do I become an administrator?