What is Normalization?
Get lifetime access
What is Normalization?
What are the advantages of NoSQL over traditional RDBMS?
What is the difference between Data Definition Language (DDL) and Data Manipulation Language (DML)?
Define ACID Properties
What is Denormalization?
What are the difference between Clustered and a Non-clustered index?
How a database index can help performance?
What's the difference between a Primary Key and a Unique Key?
When would you use NoSQL?
When should I use a NoSQL database instead of a relational database?
What is Optimistic Locking?
What Is ACID Property Of A System?
What is the cost of having a database index?
How does B-trees Index work?
Explain the difference between Exclusive Lock and Update Lock
How do you track record relations in NoSQL?
Explain eventual consistency in context of NoSQL
What Is Sharding?
What is BASE property of a system?
How do you off load work from the Database?
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 Does Eventually Consistent Mean?
Is the C in ACID is not the C in CAP?
How do you make schema changes to a live database without downtime?
Why you should never use GUIDs as part of clustered index?
What is the difference between B-Tree, R-Tree and Hash indexing?
What is Index Cardinality and why does it matter?
I've worked for Microsoft, Google, Stripe, and received offers from many other companies. One thing I learned when I was interviewing myself is that standard interview tips are woefully inadequate.
Few people want to get into an uncomfortable environment or an unprofitable company with no prospects. If you’re wondering how to get a real feel for a company during an interview, you’re welcome. I’ll give a list of questions that interviewers don’t usually expect...
Are you curious about what you need to do to earn more than $15.000 a month, drive a Tesla, live in sunny California, and work at Google, Apple, Facebook, or Amazon?
Reactive systems are an architectural style that allows multiple individual applications to blend into one unit, reacting to their environment, while staying aware of each other. Here is a list of coding interview questions on Reactive Systems to help you get ready for your next data struc...Reactive Systems
Microservice architecture – a variant of the service-oriented architecture structural style – arranges an application as a collection of loosely coupled services. In a microservices architecture, services are fine-grained and the protocols are lightweight. Here is a list of coding intervie...Microservices
Middleware in the context of distributed applications is software that provides services beyond those provided by the operating system to enable the various components of a distributed system to communicate and manage data. Middleware supports and simplifies complex distributed application...Layering & Middleware
Docker is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers. Here is a list of coding interview questions on Docker to help you get ready for your next data structures interview in 2021.Docker
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...Databases
In computer science, concurrency is the ability of different parts or units of a program, algorithm, or problem to be executed out-of-order or in partial order, without affecting the final outcome. Here is a list of coding interview questions on Concurrency to help you get ready for your n...Concurrency
In theoretical computer science, the CAP theorem, also named Brewer's theorem after computer scientist Eric Brewer, states that it is impossible for a distributed data store to simultaneously provide more than two out of the following three guarantees: Consistency: Every read receives the ...CAP Theorem
Get the inside track on what to expect in your next tech interview. We offer you a collection of high quality technical interview questions to help you prepare for your next coding interview.
A smart interface helps you track your progress and focus on the topics you need. You can search through questions or sort them by difficulty or type.
Save tens of hours searching for information on hundreds of low-quality sites designed to drive traffic and make money from advertising.