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Databases interview questions

Databases interview questions.

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1.

What is Normalization?

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2.

What are the advantages of NoSQL over traditional RDBMS?

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3.

Define ACID Properties

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4.

What is Denormalization?

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What are the difference between clustered and a non-clustered index?

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How a database index can help performance?

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7.

When should I use a NoSQL database instead of a relational database?

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8.

What is Optimistic locking?

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9.

What Is ACID Property Of A System?

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10.

What is the cost of having a database index?

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11.

How does B-trees index work?

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12.

Explain the difference between exclusive lock and update lock

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13.

What's the difference between a primary key and a unique key?

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14.

What Is Sharding?

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15.

What Is BASE Property Of A System?

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16.

How do you off load work from the Database?

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17.

What is Optimistic Locking and Pessimistic locking?

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18.

How does database indexing work?

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19.

What are some other types of indexes?

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20.

Name some disadvantages of a hash index

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21.

Explain the differences in conceptual data design with NoSQL databases?

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22.

What Does Eventually Consistent Mean?

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23.

Is the C in ACID is not the C in CAP?

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55 Docker interview questions and answers for software engineers

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23 Databases interview questions and answers for software engineers

A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques. Here is a list of coding interview questions on Databases to help you g...

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21 Concurrency interview questions and answers for software engineers

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13 CAP Theorem interview questions and answers for software engineers

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