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Databases

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CREATE and ALTER Commands

Last Updated: 05 August 2025

In SQL, the CREATE and ALTER commands are part of the Data Definition Language (DDL). These commands help define and modify the structure of your database objects like tab...read more

Introduction to SQL

Last Updated: 01 August 2025

SQL or Structured Query Language, is a tool for communicating with databases to store, retrieve and manage data efficiently. Imagine running a bookstore with thousands of ...read more

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SQL Career Path: Roles, Skills & Salaries

Last Updated: 01 August 2025

SQL (Structured Query Language) is an essential skill for anyone working with data, from software testers to data scientists, developers and database administrators. With ...read more

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SQL for Data Analytics & Developers

Last Updated: 01 August 2025

Imagine running a busy coffee shop with orders, customers and sales tracked on paper. Finding out who ordered what or which drink sells best would take forever! SQL (Struc...read more

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Bookstore Analytics with SQL

Last Updated: 21 July 2025

Bookstore analytics involves using data to understand customer preferences, product trends, inventory health and marketing performance in a retail bookstore. Ever wondered...read more

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SQL Database Operations

Last Updated: 26 June 2025

SQL databases or relational databases are widely used for storing, managing and organizing structured data in a tabular format. These databases store data in tables consis...read more

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Introduction to Apollo Server

Last Updated: 23 July 2025

Traditional REST APIs often struggle with inefficiencies like over-fetching (retrieving more data than needed) and under-fetching (not getting enough data, requiring multi...read more

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Web Technologies

Using Polymorphism with MongoDB

Last Updated: 23 July 2025

Polymorphism is a powerful concept in object-oriented programming that allows entities to be represented in multiple forms. In the context of databases, polymorphism enabl...read more

Model Tree Structures in MongoDB

Last Updated: 23 July 2025

MongoDB, a NoSQL database, provides a flexible schema-less structure that is well-suited for handling hierarchical data such as category trees, organizational charts, thre...read more

Disaster Recovery for MongoDB

Last Updated: 23 July 2025

In today's digital world ensuring the availability and integrity of data is paramount. MongoDB is a popular NoSQL database which is widely used for its scalability and fle...read more

MongoDB Backups and Point In Time Recovery

Last Updated: 23 July 2025

Data is one of the most valuable assets for any organization, and ensuring its safety is crucial. Backups serve as a safety net against data loss caused by system failures...read more

Caching Strategies for MongoDB

Last Updated: 23 July 2025

MongoDB is a widely used NoSQL database known for its flexibility and scalability. However, as applications grow, performance bottlenecks may arise due to frequent databas...read more

Monitor and Improve Slow Queries in MongoDB

Last Updated: 23 July 2025

MongoDB is a powerful NoSQL database known for its flexibility and scalability. However, as datasets grow and query complexity increases, performance issues may arise. Slo...read more

Monitoring MongoDB Performance Metrics

Last Updated: 23 July 2025

MongoDB is a powerful NoSQL database widely used for handling large amounts of unstructured and semi-structured data. However, like any database, its performance can degra...read more

Adding and Removing Shards in Mongodb

Last Updated: 23 July 2025

MongoDB, as a highly scalable NoSQL database, is designed to handle large amounts of data. One of its powerful features for scaling is sharding. Sharding allows MongoDB to...read more

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