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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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Same question, same database, two callers

Same question, same database, two callers

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2 min read
How to optimize a database, one step at a time

How to optimize a database, one step at a time

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4 min read
38% of an analyst's questions get "no records found" when the data is right there

38% of an analyst's questions get "no records found" when the data is right there

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5 min read
Stored Procedures

Stored Procedures

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16 min read
Window Functions vs. Aggregate Functions in SQL (With Examples)

Window Functions vs. Aggregate Functions in SQL (With Examples)

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3 min read
[query-inspector] A Claude Code skill for extracting and tuning SQL/ORM queries

[query-inspector] A Claude Code skill for extracting and tuning SQL/ORM queries

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4 min read
Our product search only returns rows the scanner can actually answer for

Our product search only returns rows the scanner can actually answer for

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5 min read
Star, Snowflake, or Galaxy? A Practical Guide to Data Warehouse Modeling

Star, Snowflake, or Galaxy? A Practical Guide to Data Warehouse Modeling

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10 min read
Understanding SQL Window Functions

Understanding SQL Window Functions

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5 min read
A New Take on Raw SQL in Python

A New Take on Raw SQL in Python

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3 min read
Cost Estimates or Timed Canaries: A Debate for Promoting Agent SQL

Cost Estimates or Timed Canaries: A Debate for Promoting Agent SQL

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9 min read
SQL Interview Question: Find App Store Power Purchasers with Two-Level GROUP BY

SQL Interview Question: Find App Store Power Purchasers with Two-Level GROUP BY

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5 min read
IQueryable vs IEnumerable: The Line Between C# and SQL

IQueryable vs IEnumerable: The Line Between C# and SQL

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2 min read
When the Dialect IS the API: Reading Army and jOOQ Side by Side, Through PostgreSQL Source

When the Dialect IS the API: Reading Army and jOOQ Side by Side, Through PostgreSQL Source

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26 min read
WINDOW FUNCTIONS VS AGGREGATE FUNCTIONS

WINDOW FUNCTIONS VS AGGREGATE FUNCTIONS

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2 min read
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