Metismetis.hashnode.dev·3 hours agoSchema Changes Are a Blind SpotSchema changes and migrations can quickly spiral into chaos, leading to significant challenges. Overcoming these obstacles requires effective strategies for streamlining schema migrations and adaptations, enabling seamless database changes with minim...SQL
MixPayUforMixPayU - make money onlinemixpayumakemoneyonline.hashnode.dev·10 hours agoThe Role of Big Data in Business Decision-Making: Advantages, Disadvantages, and Important TipsIn today's business world, big data plays a pivotal role in strategic decision-making. By collecting and analyzing massive amounts of data, companies can improve their operations, better understand their customers, and identify new business opportuni...1 likebig data
Harshi Nikunj ShahforCoding Addacodingadda.hashnode.dev·Jan 18, 2025Understanding Databases: A Comprehensive Guide for DevelopersIntroduction In this blog, we dive deep into databases, unraveling concepts that are essential for developers across all levels. Whether you're a front-end enthusiast, back-end expert, or aspiring full-stack developer, this guide provides you with ac...12 likesDev Exchangedatabase expert
Mohan Dubeyand-this-is-how-fired-myself.hashnode.dev·Jan 18, 2025"WITH RECURSIVE": The Unsung Hero of SQLLet me take you on a journey into the world of SQL, where WITH RECURSIVE is the wizard, and our mission is to organize a recipe book. Sounds exciting, right? Stick around for some learning and tasty metaphors! The Quest Begins: What is WITH RECURSIVE...SQL
Tanmay Modhmodhtanmay.hashnode.dev·Jan 18, 2025SQL Interview Prep - Day 7Correcting Order Swapping Errors in Zomato's Delivery System Using SQL In the world of online food delivery, accuracy is paramount—whether it’s getting the right food to the right customer or ensuring that the order data is properly organized. But wh...SQL
Tanmay Modhmodhtanmay.hashnode.dev·Jan 18, 2025SQL Window Functions: Detailed Examples with Real-Life Use CasesIn SQL, window functions allow you to perform operations across a set of rows related to the current row without collapsing the results. This is powerful for complex analyses like running totals, moving averages, ranking, etc., while keeping all the ...SQL
Anirudh Singh Bhadauriaanirudhbhadauria.hashnode.dev·Jan 17, 2025Understanding Eventual Consistency ✨What is Eventual consistency? 🤔 In a distributed data warehouse system, Updates made to the data stored are eventually reflected to data stored in all the nodes. This means that while there might be a temporary period where different nodes show di...1 likeEventualConsistencyl
Driptaroop Dasblog.dripto.xyz·Jan 17, 2025Explain To Me...Hello after a long hibernation and welcome to my Postgres series where I will cover different aspects of Postgres I learned as an application developer. In this section, we will be covering the Explain command in PostgreSQL. In short, The EXPLAIN com...PostgreSQLSQL
Abdelrahman Gamalabdogamal.hashnode.dev·Jan 17, 2025Understanding Views and Materialized Views in DatabasesHey folks, When working with databases, we often deal with complex queries, joining multiple tables to retrieve specific data. Repeating such queries every time we need the same data can be inefficient. This is where views come into play, acting as a...SQL
Eleftherios D.codinginsights.hashnode.dev·Jan 17, 2025Updating Records: A Cautionary TaleI was working on a new project where we need to show users what’s changed with the contacts they follow. Users want to see when and where their contacts changed roles—whether it’s within the same organization or at a different one. The Surprise Disco...Databases
