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

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The Anatomy of a Slow Database Query: How to Diagnose, Deconstruct, and Fix It

The Anatomy of a Slow Database Query: How to Diagnose, Deconstruct, and Fix It

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5 min read
Nobody Warns You the Data Engineering Interview Isn't About Data Engineering

Nobody Warns You the Data Engineering Interview Isn't About Data Engineering

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2 min read
Two domains are 53% of the Databricks Data Engineer Associate exam

Two domains are 53% of the Databricks Data Engineer Associate exam

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4 min read
Every text-to-SQL benchmark score you've seen was measured without access control

Every text-to-SQL benchmark score you've seen was measured without access control

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5 min read
SQL Is Surviving, Franklin: When One Query Isn't Enough

SQL Is Surviving, Franklin: When One Query Isn't Enough

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13 min read
ANALYZING HOTEL BOOKING DATA: A TEMBO HOTEL SQL + POWER BI CASE STUDY

ANALYZING HOTEL BOOKING DATA: A TEMBO HOTEL SQL + POWER BI CASE STUDY

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2 min read
Shadow-Gate Your LLM-Generated SQL: A Replay Test Against a Frozen Fixture Database

Shadow-Gate Your LLM-Generated SQL: A Replay Test Against a Frozen Fixture Database

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6 min read
Spider 2.0 deleted a claim I made this morning

Spider 2.0 deleted a claim I made this morning

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5 min read
LeetCode Problem Statements Be Testing My English More Than SQL

LeetCode Problem Statements Be Testing My English More Than SQL

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1 min read
Database Scaling, Explained by Breaking Things: Indexing, Replication, Caching

Interactive simulators let you break systems first

Database Scaling, Explained by Breaking Things: Indexing, Replication, Caching

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5 min read
A New Model Dropped. Is It Actually Good at Your SQL? A 30-Minute Smoke Test

A New Model Dropped. Is It Actually Good at Your SQL? A 30-Minute Smoke Test

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4 min read
The text-to-SQL demo takes an afternoon. The other 90% is why you should buy it.

The text-to-SQL demo takes an afternoon. The other 90% is why you should buy it.

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3 min read
MariaDB 12 Broke Our Concurrent Updates: Debugging ERROR 1020 After an Upgrade

MariaDB 12 Broke Our Concurrent Updates: Debugging ERROR 1020 After an Upgrade

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2 min read
Running the same SQL checks in a browser, CLI and pull request

Running the same SQL checks in a browser, CLI and pull request

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3 min read
Your companies table is lying to you about when things happened

Your companies table is lying to you about when things happened

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2 min read
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