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Old 30th November 2016, 06:11 PM
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Default HCL Database Interview Questions

Can you provide me some questions for preparation for Database Interview of HCL Technologies as I will be giving the interview very soon?
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Old 1st December 2016, 08:51 AM
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Default Re: HCL Database Interview Questions

Some questions for preparation for Database Interview of HCL Technologies are as follows:

What is DBMS?

What is RDBMS?

What is SQL?

What are the different type of SQL's statements?

What are the Advantages of SQL?

What is a field in a database?

What is a Record in a database?

What is a Table in a database?

Define Trigger

Define stored procedure.

Explain - a.) Storage Manager b.) Buffer Manager c.) Transaction Manager d.) File
Manager

List some advantages of DBMS.

Explain the various types of normalization.

What are the advantages of normalizing a database.

What is Denormalization?

Differentiate between Delete and Truncate table.

Differentiate between Extension & Intension.

Explain Data Independence & its types.

Explain a. Entity b. Entity Type c. Entity Set

Explain a.) Partial key b.) Alternate key c.) Artificial key d.) Compound key e.)
Natural key

Explain Phantom Deadlock.

What is a view?

What are the advantages of views in a database?

What are the disadvantages of views in a databa

What do you mean by Cluster and Non cluster Index?

What are B-trees?

What is Table Scan and Index Scan?

Explain Database partitioning. What is its importance?

What are properties of a transaction?
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