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

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SQL Explorer: Run Full SQL on CSV, Parquet & JSONL Files in Your Browser

SQL Explorer: Run Full SQL on CSV, Parquet & JSONL Files in Your Browser

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2 min read
DuckDB Delta Lake Writes, Cross-DB Query Planning, and Pterocos SQLite/DuckDB Editor

DuckDB Delta Lake Writes, Cross-DB Query Planning, and Pterocos SQLite/DuckDB Editor

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3 min read
PostgreSQL 2201X Error: Causes and Solutions Complete Guide

PostgreSQL 2201X Error: Causes and Solutions Complete Guide

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3 min read
Delete record using JooqTemplate

Delete record using JooqTemplate

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1 min read
SQL Formatting Best Practices: A Practical Guide for Engineers

SQL Formatting Best Practices: A Practical Guide for Engineers

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4 min read
REDB inside, part 1.1 — why the same 13 tables stay fast no matter how many classes you throw at them

REDB inside, part 1.1 — why the same 13 tables stay fast no matter how many classes you throw at them

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20 min read
QN : Ingest and transform data in a lakehouse

QN : Ingest and transform data in a lakehouse

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2 min read
DuckLake Spec, pg_background 2.0, and pgsql_tweaks 1.0.3 Enhance Database Ecosystem

DuckLake Spec, pg_background 2.0, and pgsql_tweaks 1.0.3 Enhance Database Ecosystem

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4 min read
Update record using JooqTemplate

Update record using JooqTemplate

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1 min read
Retention cohort analysis with plain SQL

Retention cohort analysis with plain SQL

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2 min read
PostgreSQL 22013 Error: Causes and Solutions Complete Guide

PostgreSQL 22013 Error: Causes and Solutions Complete Guide

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3 min read
T-SQL patterns that break when you migrate SQL Server to PostgreSQL (and where they hide in Java/C#)

T-SQL patterns that break when you migrate SQL Server to PostgreSQL (and where they hide in Java/C#)

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1 min read
Dynamically Generating SQL Joins for Tables Based on a Common Column

Dynamically Generating SQL Joins for Tables Based on a Common Column

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7 min read
Running Real SQL on DynamoDB: How It Actually Works

Running Real SQL on DynamoDB: How It Actually Works

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8 min read
Why Big Tech is Migrating from Traditional Databases to NewSQL

Why Big Tech is Migrating from Traditional Databases to NewSQL

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1 min read
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