What do you understand by the term 'system change number (scn)'?
No Answer is Posted For this Question
Be the First to Post Answer
What is ora-1555 snapshot too old error? Explain in detail?
What are the possible ways to gain information regarding the control file?
Give one method for transferring a table from one schema to another?
How can you find out how many users are currently logged into the database? How can you find their operating system id?
Describe hit ratio as it pertains to the database buffers. What is the difference between instantaneous and cumulative hit ratio and which should be used for tuning?
What is oracle partial backup?
How do you prevent output from coming to the screen?
How does one coalesce free space?
What are bind variables and why are they important?
How do I become a database administrator?
Which dba certification is best?
Explain the various modes of normalization?