چه سروری برای SQL Server بخریم؟
پایگاه داده یکی از مهمترین بخشهای زیرساخت فناوری اطلاعات هر سازمان است. بسیاری از نرمافزارهای حسابداری، ERP، CRM، اتوماسیون اداری،… Continue reading on Medium » پایگاه داده یکی از مهمترین…
Window functions
We all faced window function related coding question in our Data engineer interview. Continue reading on Data And Beyond » We all faced window function related coding question in our…
You’re Preparing for the Wrong Data Engineering Interview
The strongest SQL candidate in the room can still walk away without an offer — and it often has nothing to do with SQL. Continue reading on Towards Data Engineering » The…
Quería que Spring Boot reaccionara a los cambios en la base de datos… incluso cuando Spring no…
Si has trabajado en proyectos empresariales, probablemente te hayas encontrado con esta situación. Continue reading on Medium » Si has trabajado en proyectos empresariales, probablemente te hayas encontrado con esta…
10 SQL Server Mistakes I Still See in Enterprise Applications
SQL Server performance mistakes I still see in enterprise applications — and how you can avoid them before they reach production. Continue reading on Medium » SQL Server performance mistakes I still…
Enterprise SQL Validation: 7 Proven Techniques for Reliable Data Pipelines
By Mrudula Deshmukh Continue reading on Medium » By Mrudula DeshmukhContinue reading on Medium » Read More Sql on Medium #sql
Why Modern Cloud Platforms Prefer ELT Over ETL | Data Engineering Fundamentals #3
When I first started learning Data Engineering, I thought ETL and ELT were basically the same thing. Continue reading on Medium » When I first started learning Data Engineering, I…
Why Your Analytics Stack Needs to Be Treated Like Software
How version control, modular modeling, lineage, testing, and software engineering principles turned analytics from a constant firefight… Continue reading on Medium » How version control, modular modeling, lineage, testing, and…
4 Advanced SQL ROWS Window Function Interview Questions with Practical Examples and Step-by-Step…
Learn how to use the advanced SQL ROWS window function with practical examples. Continue reading on Medium » Learn how to use the advanced SQL ROWS window function with practical…
11 SQL Queries Every Aspiring Data Scientist Should Know
Turn raw data into actionable insights with essential SQL techniques Continue reading on Medium » Turn raw data into actionable insights with essential SQL techniquesContinue reading on Medium » Read…
Advanced SQL Server Series — Part 8: Query Optimization Techniques (10 Habits That Actually Move…
Seeks vs. scans, sargability, why NOLOCK is a trap, and the CTE mistake almost everyone makes. Continue reading on Medium » Seeks vs. scans, sargability, why NOLOCK is a trap,…
All or Nothing: Mastering Atomicity in Laravel
Series: Bulletproof Databases with Laravel & MySQL — Part 2 of 5 Continue reading on Medium » Series: Bulletproof Databases with Laravel & MySQL — Part 2 of 5Continue reading…
Why Many Architects Ban SQL Queries That Join More Than Three Tables
Lessons from an interview: Join algorithms and why “just write one big SQL query” is often a bad idea. Continue reading on Javarevisited » Lessons from an interview: Join algorithms…
Why Many Architects Ban SQL Queries That Join More Than Three Tables
Lessons from an interview: Join algorithms and why “just write one big SQL query” is often a bad idea. Continue reading on Javarevisited » Lessons from an interview: Join algorithms…
10 SQL Case Studies for Beginners | Learn DDL Commands & SQL Constraints Through Real Business…
Learning SQL by memorizing syntax is easy, but applying it to real business problems is what makes you a successful Data Analyst. Continue reading on Medium » Learning SQL by…
10 SQL Case Studies for Beginners | Learn DDL Commands & SQL Constraints Through Real Business…
Learning SQL by memorizing syntax is easy, but applying it to real business problems is what makes you a successful Data Analyst. Continue reading on Medium » Learning SQL by…
Data Work Is Translation Work
The database does not speak human Continue reading on Medium » The database does not speak humanContinue reading on Medium » Read More Sql on Medium #sql
The SQL Deduplication Trick Most Developers Get Wrong (And How to Fail-Safe It)
Duplicate rows are a common problem — retried API calls, missing unique constraints, bad migrations, or a sync job that ran twice. The… Continue reading on Medium » Duplicate rows…
The Right Way to Handle Duplicate Inserts in PostgreSQL
One of the most common patterns in application code looks like this: Continue reading on Medium » One of the most common patterns in application code looks like this:Continue reading…
Building an Employee Analytics Management System with Flask, PostgreSQL & Chart.js:
Introduction Continue reading on Medium » IntroductionContinue reading on Medium » Read More Sql on Medium #sql