What is oracle block? Can two oracle blocks have the same address?
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user says the db performance is slow or yesterday the query runned 1min and today its taking 30 min. how to trouble shot or were to start with?
What is 2-tier architecture?
Who is end user in database?
What are indexes? Mention the differences between the clustered and non-clustered index?
How to pump the data from one database to another?
Describe the difference between embedded and dynamic sql.
What is the difference between a MESSAGEBOX and an ALERT ?
For a field in a repeating frame, can the source come from a column ?
What is the difference between multiload and fastload interms of performance?
Explain dml compiler?
There are 100 datafiles, numbered from 1 to 100. File number 10 is deleted and it has 500 MB of data. The database is working in archive log mode. How can be the database recovered ? While doing recovery the archive logs applied are from nos 1 to 100, but 50 gets corrupted. What do we do? Can we proceed further? If so how?
What is the data in a database?
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