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Working with Relationships in NoSQL (One-to-One, One-to-Many, Many-to-Many)

Table of Contents Introduction to Relationships in NoSQL One-to-One Relationships in NoSQL One-to-Many Relationships in NoSQL Many-to-Many Relationships in NoSQL Best Practices for Modeling Relationships in NoSQL Conclusion Introduction to Relationships...

Schema Validation in MongoDB 4.0+

Table of Contents Introduction to Schema Validation Why Schema Validation is Important How Schema Validation Works in MongoDB Basic Schema Validation Syntax Modifying Schema Validation for Existing Collections Validation Levels...

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Working with MongoDB Compass for Visual Data Handling

Introduction MongoDB Compass is a powerful, user-friendly graphical user interface (GUI) for interacting with MongoDB databases. It simplifies database management and provides a visual interface...

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Data Types in MongoDB (ObjectId, Date, Embedded Docs, Arrays)

Introduction MongoDB, being a NoSQL database, is quite flexible when it comes to storing data. Unlike traditional relational databases, MongoDB stores data in BSON (Binary...

Basic CRUD Operations in MongoDB (insertOne, find, updateOne, deleteOne)

Introduction In this module, we will explore the basic CRUD operations in MongoDB, which are essential for interacting with data stored in a MongoDB database....

MongoDB Shell vs MongoDB Compass vs Drivers

Introduction In MongoDB, there are several ways to interact with the database, each suited to different use cases and user preferences. In this module, we...

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History of Robots

Robots have come a long way since Unimate, the first industrial robot invented by George Charles Devol.  Since then industrial robots have been defined by the International Organization...

INDIA’S PROGRESS IN SCIENCE & TECHNOLOGY

INDIA’S PROGRESS IN SCIENCE & TECHNOLOGY Indus Valley Civilisation: India’s progress in science and technology is not a new phenomenon. As early as 2.500 B.C.,...

Science & Technology in India

The new scheme of Civil Services Main Examination - 2013 has Science and Technology theme in General Studies, Paper — III. In view of...

Technologically Advanced Countries in the World

Technology is the application of scientific knowledge for practical purposes, especially in industry. Many nations worldwide have used technology to enhance the quality of...

Milestones in Space Exploration

Milestones in Space Exploration Date Mission Achievements Country/ Organization Mission Name 1931 First German military liquid-fuelled rocket engines developed Germany Walter Riedel 10 May 1946 First space research flight (cosmic radiation experiments) United States captured and...

Use Your Pen Drive as Your System RAM

1) First Insert the Pen Drive at least having a memory of 1GB ,( Preferably 4GB) in the Given USB port of the Computer. 2)...

Computer Devices & their Inventors

Computer Devices & their Inventors=>Key board— Herman Hollerith first keypunch devices in 1930’s=>Transistor— John Bardeen, Walter Brattain & Wiliam Shockley ( 1947-48)=>Integrated Circuit— Jack...

Some Important Portals & their Founders

Some Important Portals & their Founders  1. Google— Larry Page & Sergey Brin2. Facebook— Mark Zuckerberg3. Yahoo— David Filo & Jerry Yang4. Twitter— Jack Dorsey...

Computer Questions

1. A peer-to-peer LAN is an appropriate network architecture for - Home network. 2. In CSMA/CD, the computer sends a fixed unit of data called...

Polar Satellite Launch Vehicle (PSLV)

The Polar Satellite Launch Vehicle (PSLV) is an expendable launch system developed and operated by the Indian Space Research Organisation (ISRO). It was developed...

Global Positioning System (GPS)

The Global Positioning System (GPS) is a space-based satellite navigation system that provides location and time information in all weather conditions, anywhere on or...

MICROSOFT EXCEL SHORTCUT KEYS

MICROSOFT EXCEL SHORTCUT KEYS 1. F2 Edit the selected cell2. F3 After a name has been created F3 will paste names3. F5 Go to a...