Polyglot Persistence

 Polyglot Persistence:

Application requires multiples types of database


Here multiple types of DB is used to perform operation in application.

***if you store data in disk, it will persist even if database server goes down.

***if you write data in memory, it will not persist as database server goes down.

Comments

Post a Comment

Popular posts from this blog

Asynchronous Communication

Image
  Asynchronous Communication (Non Blocking Call) 1. Time Delay 2. Work from home 3. Youtube video's comment section 4.When computation takes long time; Flipkart page open but processing takes time 5. Scalability of application ; It doesn't wait for notification from another user placing order 6. Avoid Cascading failure ; At times if with response server becomes overload ,it is made asynchronous inorder to let server work on it. 
Read more

Types of NoSQL Database

Image
  NoSQL Database: It stands for "non-SQL" database / non-relational database. NoSQL is the umbrella term comprising of four different types of DB. Key Value DB Generally used for caching Example: Redis   Document DB Bring best of RDBMS & NoSQL It comprises of relational concept for RDBMS & dynamic schemas and horizontal scaling from NoSQL databases. Example: MongoDB   Columnar DB Columns are stored together instead of rows. It is used mainly in data analysis. Example: Cassandra   Graph DB It represent & stores entities in form of graph data structure. It is mainly used for social network. Example: neo4j
Read more

Difference between HLD(High Level Design) and LLD(Low Level Design)?

Image
  Difference between HLD(High Level Design) and LLD(Low Level Design)?                                                                                                                                                                                                                     HLD (High Level Design)    LLD (Low Level Design)   a)Describes the  main components that would be developed for the...
Read more