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Posts on tips and tricks, using and learning about SQL for database development and analysis.

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When ANALYZE Isn't Enough: Debugging Bad Row Estimation in PostgreSQL

When ANALYZE Isn't Enough: Debugging Bad Row Estimation in PostgreSQL

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8 min read
easy-query vs jOOQ

easy-query vs jOOQ

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6 min read
Questionnaire Made Easy – with IRIS, FHIR SQL Builder, and Vector Search

Questionnaire Made Easy – with IRIS, FHIR SQL Builder, and Vector Search

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4 min read
Company-Level SQL Learning Mode Now Available on SQL Practice Online

Company-Level SQL Learning Mode Now Available on SQL Practice Online

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2 min read
DCL & TCL in SQL

DCL & TCL in SQL

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2 min read
База данных Финальный проект

База данных Финальный проект

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1 min read
Uniface 10.4 + Informix: Simple Guide to Stored Procedures 🚀

Uniface 10.4 + Informix: Simple Guide to Stored Procedures 🚀

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4 min read
Amazon RDS vs Amazon DYNAMODB

Amazon RDS vs Amazon DYNAMODB

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2 min read
Uniface 10.4 + Informix: Simple Guide to DSQL Support 🧩

Uniface 10.4 + Informix: Simple Guide to DSQL Support 🧩

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3 min read
RoomSharp v0.4.3: Production-grade migrations, safe-by-default concurrency, and new companion packages

RoomSharp v0.4.3: Production-grade migrations, safe-by-default concurrency, and new companion packages

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10 min read
“How I Built an End-to-End ETL Pipeline Using Databricks & Delta Lake”

“How I Built an End-to-End ETL Pipeline Using Databricks & Delta Lake”

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2 min read
Scaling Databases with TiDB: AWS Community Day Bangalore 2025

Scaling Databases with TiDB: AWS Community Day Bangalore 2025

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4 min read
SQL Interview Prep: Last-Minute Brushup for Experienced Professionals

SQL Interview Prep: Last-Minute Brushup for Experienced Professionals

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13 min read
How SQLite Replaced PostgreSQL as My First Choice

How SQLite Replaced PostgreSQL as My First Choice

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4 min read
From CSV to Insights: Analysing Walmart Sales with Python & PostgreSQL

From CSV to Insights: Analysing Walmart Sales with Python & PostgreSQL

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2 min read
Entity Framework Core Raw SQL — From FromSql() to Production‑Grade Safety

Entity Framework Core Raw SQL — From FromSql() to Production‑Grade Safety

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3 min read
SQL Injection Audit Challenge Week 1

SQL Injection Audit Challenge Week 1

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27 min read
Why Your Fast PostgreSQL Query Suddenly Became Slow: A Deep Dive into MVCC and Index Bloat

Why Your Fast PostgreSQL Query Suddenly Became Slow: A Deep Dive into MVCC and Index Bloat

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5 min read
Two Overlooked Laravel Features: `fresh()` and Attribute Visibility

Two Overlooked Laravel Features: `fresh()` and Attribute Visibility

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1 min read
5 Surprising Truths About Your SQL SELECT Query (And Why They Matter)

5 Surprising Truths About Your SQL SELECT Query (And Why They Matter)

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4 min read
DuckDB: how to fine tune parameters?

DuckDB: how to fine tune parameters?

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2 min read
How I Reduced a 53-Minute MySQL Job to 15 Minutes on MySQL 5.7 (Without Changing Hardware)

How I Reduced a 53-Minute MySQL Job to 15 Minutes on MySQL 5.7 (Without Changing Hardware)

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1 min read
The One Thing You Can't Refactor: How to Architect Bulletproof Database Schemas with AI

The One Thing You Can't Refactor: How to Architect Bulletproof Database Schemas with AI

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5 min read
sql9

sql9

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2 min read
sql2

sql2

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1 min read
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