Collection Management In MongoDB

Collection : It is a group of documents in a database.collection is like a table in a relational database. The database contains collections,collections contains documents and the documents contain data in it. Naming restriction for collections in MongoDB: 1. Collection name must begin with a… Read More

About JSON and BSON

About JSON and BSON Both JSON and BSON are data interchange formats used for the representation and transmission of data between applications. JSON: (Java script Object Notation) It is text based format that is lightweight and also human readable format. Based on the javascript syntax… Read More

Installation of MongoDB on Windows Operating System

Installation of MongoDB on Windows Operating SystemInstallation of MongoDB on Windows Operating System To download community version, follow these steps. → Click on the link → In version section select the version of MongoDB to download. → In platform select windows. → In package… Read More


OPERATORS IN PYTHON Operator: It is defined as a symbol which is responsible for a particular operation between two operands. Python supports different types of operators: 1.Arithmetic Operators               2.Assignment Operators            3.Logical Operators                    4.Comparison Operators            5.Bitwise Operators                    6.Identity Operators                    7.Membership Operators              Arithmetic Operators: They are… Read More

Installation of PostgreSQL

Installation of PostgreSQL As PostgreSQL is an open source, we can download it from official website ( by following below steps: Go to official website >> Click on Download >> Choose your System OS >> Click “Download the installer” Select latest version (15.2 present) of… Read More

Introduction to MongoDB

Introduction to MongoDB MongoDB is an open and free NoSQL database management system. It is a document oriented database, i.e. it will store all the data in semi-structured Binary JSON like documents. Features of MongoDB Document Object Data Model: MongoDB stores the data as Binary… Read More

Introduction to PostgreSQL

Introduction to PostgreSQL • PostgreSQL (pronounced as post-gress-Q-L) is a high demand open-source object relational database management system (ORDBMS). It was developed by a worldwide team of volunteers. It is not controlled by any private entity so, it is available for free. • PostgreSQL uses… Read More


FUNCTIONS IN PYTHON FUNCTION :   A function is a block of code that executes only when it is called. Data can be passed to functions as parameters. A function can return the result or output the result. In python a function can be created or… Read More