Explain the rollup operator?
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Who are end users in dbms?
how will I find the duplicate rows count from employees tablein oracle.
If a column is an image value type, how you can compare column values? How can you use this column in join clause?
What are the key features of dbms?
Explain about xml databases?
What are the 18 schemas?
Explain about post-relational databases?
Explain the family trees and connection by clause.
What you can do to remove data from the cache and query plans from memory for testing the performance of a query repeatedly?
Explain about normal forms?
Explain what a database is?
What is an application role and explain a scenario when you would use one?
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