What is hashing in dbms?
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I have 2 tables with 1 million rows each. I have updated 1 row in first and 1 million update on second table. Now I commit both the updates. Which one will commit fast and Why?
Discuss some of the techniques that can be used to tune operational performance.
When connection to database is failed, Which exception will be thrown?
What are views in dbms?
Explain why an information gap exists in most organizations.
Define weak entity set.
What is database or database management systems (dbms)? And what's the difference between file and database? Can files qualify as a database?
What are the different kind of export backups ?
What is computer end?
What is the use of FILE option in EXP command ?
What is user and end user?
what is s/w lifecycle?
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