In this post, we will go through some of the basic of PostgreSQL and will perform CRUD operations. What is PostgreSQL or Postgres? Postgres is an open-source object-relational database. PostgreSQL supports both SQL (relational) and JSON (non-relational) querying. It is also one of the most used databases in the industry for production and deployment. It uses SQL to access and manipulate databases…Read More
In this post, we are going to go through some basic concepts of MongoDB and will Perform CRUD operations on console. What is MongoDB? MongoDB is an open-source database management system (DBMS). It is based on a document-oriented database. it is a NoSQL database, which means it doesn’t store data in tables and rows as in relational databases. It stores data in JSON-like documents which can be very…Read More
In this post, we will cover some basic concepts of elasticsearch, mapping and indexing the data, and searching on that data. What is Elasticsearch? Elastic search is an open source, distributed NoSQL database, full text search engine based on the lucene library. It is built on Java. It uses schema or table free JSON documents and provides REST APIs interface to interact with it. Elasticsearch is…Read More
