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Thách thức mọi câu hỏi phỏng vấn Databases dành cho lập trình viên

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Top 22 câu hỏi phỏng vấn Databases

Bộ lọc:

What are the advantages of NoSQL over traditional RDBMS?

What is Normalisation?

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

Define ACID Properties

How a database index can help performance?

What is Denormalization?

What's the difference between a Primary Key and a Unique Key?

When would you use NoSQL?

What is Optimistic Locking?

What are the difference between Clustered and a Non-clustered index?

Explain the difference between Exclusive Lock and Update Lock

Explain eventual consistency in context of NoSQL

How does B-trees Index work?

What is the cost of having a database index?

How do you track record relations in NoSQL?

What is Optimistic Locking and Pessimistic Locking?

How does database Indexing work?

What are some other types of Indexes (vs B-Trees)?

Name some disadvantages of a Hash index

Explain the differences in conceptual data design with NoSQL databases?

What is the difference between B-Tree, R-Tree and Hash indexing?

What is Index Cardinality and why does it matter?