DEV Community

select * from SQL

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

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
Why "Check Then Write" Booking Logic Breaks Under Real Traffic (And How to Fix It in PostgreSQL)

Why "Check Then Write" Booking Logic Breaks Under Real Traffic (And How to Fix It in PostgreSQL)

Comments
2 min read
From MySQL to PostgreSQL: a much lighter server

From MySQL to PostgreSQL: a much lighter server

Comments
2 min read
The Same Row Twice: Four Things Keyset Pagination Needs

The Same Row Twice: Four Things Keyset Pagination Needs

Comments
6 min read
Database index on generated column to speed up selection on date (for daily stats)

Database index on generated column to speed up selection on date (for daily stats)

Comments
1 min read
Read Replicas Do Not Fix a Bad Query Plan

Read Replicas Do Not Fix a Bad Query Plan

Comments
4 min read
PostgreSQL Locks and Deadlocks: How They Work and How to Fix Them

PostgreSQL Locks and Deadlocks: How They Work and How to Fix Them

2
Comments 2
13 min read
Why I Put PostgreSQL in WebAssembly to Fix SQL Interview Prep

Why I Put PostgreSQL in WebAssembly to Fix SQL Interview Prep

Comments
5 min read
SQL Indexes Explained (For People Who Just Got Yelled At By a Slow Dashboard)

SQL Indexes Explained (For People Who Just Got Yelled At By a Slow Dashboard)

Comments 1
4 min read
Open-source tool: Cross-database universal "field-level" data lineage analysis and visualization (Part 2 of 3)

Open-source tool: Cross-database universal "field-level" data lineage analysis and visualization (Part 2 of 3)

Comments
4 min read
Introduction to SQL :DDL,DML & Data Quering

Introduction to SQL :DDL,DML & Data Quering

Comments
4 min read
From Messy CSV to Business Insight: A Small Python + SQL Analytics Pipeline

From Messy CSV to Business Insight: A Small Python + SQL Analytics Pipeline

Comments
4 min read
Is Your Text-to-SQL Agent Just a Fancy Way to Drop Your Production Tables?

Is Your Text-to-SQL Agent Just a Fancy Way to Drop Your Production Tables?

1
Comments 1
5 min read
Inside Army's MySQL Dialect: When SQL Dialects Are First-Class Citizens

Inside Army's MySQL Dialect: When SQL Dialects Are First-Class Citizens

Comments
15 min read
SQL Window Functions: Understanding PARTITION BY, ORDER BY, ROW_NUMBER and RANK

SQL Window Functions: Understanding PARTITION BY, ORDER BY, ROW_NUMBER and RANK

Comments
2 min read
Making players prove it: validating that a SQL query derives an answer

Making players prove it: validating that a SQL query derives an answer

Comments
5 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.