5 SUPER POPULAR DATABASES COMPARED

According to my opinion, there is no best database. Every database has their own advantages & disadvantages. So, you have to decide what is the best for your needs. 

Here, i am mentioning Top 5 popular databases :- 

1. MYSQL

• Relational Database
• exist for 25 years
• very cheap & easy to use
• Open-Source

Limitataion of MYSQL :-

• Not that performant when many operations at once.
• Not a full SQL database, it has some limitation.

2. MONGODB 

• non relational database'
• document-oriented database
• high performance due to non-relational DB
• easy to configure & scale
• Open-Source

Limitation of MONGODBB :-

• uses high memory for data storage
• document size is limited to 16 MB.

3. POSTGRESQL                                                                      

• Relational database
• Very well Expandable 
• you can create own DB functions
• Open-Source

Limitations of POSTGRESQL :-

• Lower performance compared to competitors
• not that easy to install for beginners.

4. REDIS :- 

• Non Relational database, stores data as key-value pairs.
• used as caching service for quick key lookups.
• allows  storing very large keys & values(512 MB)
• Caches its data for quick access

Limitation of REDIS :- 

• There is no well working clustering solution(combining several servers to a single DB)

5. CLOUD FIRESTONE

• non-relational databases
• saves data as collections of documents
• Super fast
• easy to setup security lines

Limitations of CLOUD FIRESTONE :- 

• Google owns your data, so not full control over it
• queries are very limited.