While taking hot backup (begin end backup) what will happens back end?
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What will you do if in any condition you do not know how to troubleshoot the error at all and there are no seniors or your co-workers around?
System tablespace cant be exported from one database and imported into another why?
How do I become a data manager?
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?
How would you find total size of database in os level?
What is dba software?
How many control files should you have?
What is different type of rman backup?
What parameters control copy latches?
The system has a program that always includes the word nocomp in its name, how can you determine the number of processes that are using this program?
What does dba stand for database?
What is a dba certification?