Explain the hierarchical database?
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What is a distributed database?
How many number of columns can a RECORD GROUP have ?
What do you understand by clause in sql?
Explain the difference between a primary key and a unique key?
What is write ahead logging in DBMS?
You loss one datafile and DB is running in ARCHIVELOG mode. You have full database backup of 1 week old and partial backup of this datafile which is just 1 day old. From which backup should you restore this file?
What are the restrictions applicable while creating views?
What are the ways to tune reporting services?
what is difference between clustering and mirroring?
Why are databases so important?
What does rdbms stand for?
What are different type of normalization?
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