What are the types of database model?
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Explain the family trees and connection by clause.
Can you instantiate a COM object by using T-SQL?
I HAVE A PI ON COL A THE NEXT DAY I WANT CHANGE THE PI ON COL B? PLS SEND ME THE ANS
What are the three types of database design?
What is the difference between a primary index and a secondary index? What is a duplicate data entry in an index? Can a primary index contain duplicates?
What are the key features of dbms?
Which four data types cannot be used as a return type from a user-defined function?
The count() function always returns a int value type what should you do if you need to count rows from a query which you know will return a value that is too large for an int value type?
how will I find the duplicate rows count from employees tablein oracle.
How would you design a database for an online site, which would average a million hits a day?
How can you fix a poorly performing query?
Who are naive users?
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