The CAP Theorem  (Brewer's theorem), states that a distributed database system  can only guarantee two out of the following three...

We have done a lot with single database, meaning there is only one server/node/machine (whatever you want to call it!) which serves our...

So we have discuss a lot things around data, buffering , indexing , transactions , concurrency control , but all of this doesn't make any...

We have discussed two main ways of managing concurrency control , optimistic locking and pessimistic locking ! and now we will go...

Optimistic Locking  is another way concurrency control  mechanism that assumes conflicts are rare and allows multiple transactions  to...

Pessimistic Locking  is a concurrency control  strategy where the database prevents other transactions  from accessing or modifying...

So far, we have discussed what a transaction means, and how does any database implements ACID principle for reliable and persistent...

Database doesn’t just store data, they also needs to guarantee that the data stays consistent and reliable, even when multiple operations...

So we have covered all the things, from the side of how modern database use multiple techniques to ensure faster read/writes of data. And...

Compression  techniques are essential in data storage and processing, as they reduce disk usage and enhance I/O performance . There...