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select * from SQL

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

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How to Turn Plain-English Requirements into SQL You Can Actually Trust

How to Turn Plain-English Requirements into SQL You Can Actually Trust

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2 min read
SQL Joins Explained.

SQL Joins Explained.

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2 min read
I Reverse-Engineered a Restaurant ERP With No Documentation. Here's What It Taught Me About Being a Self-Taught Developer.

I Reverse-Engineered a Restaurant ERP With No Documentation. Here's What It Taught Me About Being a Self-Taught Developer.

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4 min read
Database Indexing Explained: How Indexes Make SQL Queries Faster

Database Indexing Explained: How Indexes Make SQL Queries Faster

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7 min read
SQL Functions — A Friendly Guide With Real Examples

SQL Functions — A Friendly Guide With Real Examples

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5 min read
Your acquisitions table needs a status field, not a boolean

Your acquisitions table needs a status field, not a boolean

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2 min read
Idempotent APIs Without Idempotency Tokens

Idempotent APIs Without Idempotency Tokens

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8 min read
What is dbt and Why is it in Every Data Engineering Job Listing?

What is dbt and Why is it in Every Data Engineering Job Listing?

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3 min read
Database Index: Why Queries Become Slow as Data Grows

Database Index: Why Queries Become Slow as Data Grows

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3 min read
Schema Linting vs Migration Linting: Which Database Problems Each One Can See

Schema Linting vs Migration Linting: Which Database Problems Each One Can See

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11 min read
A Free-Server Regression Job for LLM-Generated SQL

A Free-Server Regression Job for LLM-Generated SQL

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6 min read
Cleaning and Structuring Excel Data for Reliable SQL INSERTs

Cleaning and Structuring Excel Data for Reliable SQL INSERTs

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7 min read
"Money we gave back to shoppers" matches no table name. Four searches find it anyway.

"Money we gave back to shoppers" matches no table name. Four searches find it anyway.

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4 min read
For Structured Data, Retrieval Accuracy Isn't a Model Problem

For Structured Data, Retrieval Accuracy Isn't a Model Problem

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3 min read
Detecting SQLite Full Table Scans in Node.js

Detecting SQLite Full Table Scans in Node.js

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3 min read
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