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Tech Mahindra DataBase Interview Questions

Tech Mahindra DBMS Interview Questions
Tech Mahindra DBMS Interview Questions



1. Define Normalization
2. What is synonym?
3. Write a query to create a view in database?
4. What is SQL?





5. Write a query to create a record?
6. What is the purpose of creating a synonym?
7. What does UPDATE command do?
8. What is the use of COMMIT command?
9. Define B-trees.
10.Define Entity.




11.What is a "primary key"?
12.How to change the data type of a column in a table after the table has been created?
13.What is the integer data type available in SQL server?
14.What restrictions can you apply when you are creating views?
15.Define Data Warehousing.
16.How does Index hunting help in improving query performance?
17.What is a "trigger"?
18.What is a "join"?
Tech Mahindra DataBase Interview Questions Tech Mahindra DataBase Interview Questions Reviewed by @NA on 8:08:00 PM Rating: 5

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