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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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Postgres and Iceberg: pg_lake, pg_duckdb and the Postgres lakehouse

Postgres and Iceberg: pg_lake, pg_duckdb and the Postgres lakehouse

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3 min read
From Check-In to Check-Out in a .NET Visitor System

From Check-In to Check-Out in a .NET Visitor System

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6 min read
SQL Server Parameter Sniffing: What It Is and How to Fix It

SQL Server Parameter Sniffing: What It Is and How to Fix It

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4 min read
How to read PostgreSQL EXPLAIN output

How to read PostgreSQL EXPLAIN output

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5 min read
Not Every Slow Query Needs a New Index

Not Every Slow Query Needs a New Index

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13 min read
SQL Challenge: Why Is Your SQL Query Still Returning NULL?

SQL Challenge: Why Is Your SQL Query Still Returning NULL?

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2 min read
I Built SmartBase: A Free SQL-Powered Cloud Backend Platform for Developers

I Built SmartBase: A Free SQL-Powered Cloud Backend Platform for Developers

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3 min read
Null rate data quality check in SQL, per column

Null rate data quality check in SQL, per column

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2 min read
Measure SDR ramp from your CRM with SQL (days to first reply, meeting, target)

Measure SDR ramp from your CRM with SQL (days to first reply, meeting, target)

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2 min read
dbt snapshots are not an audit log

dbt snapshots are not an audit log

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4 min read
Stop Stale Tool Calls from Overwriting Newer Changes

Stop Stale Tool Calls from Overwriting Newer Changes

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7 min read
Visual Paradigm Alternative: Database Design Software Without the Modeling Suite

Visual Paradigm Alternative: Database Design Software Without the Modeling Suite

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19 min read
Renaming a column in SQL Server, and what it quietly breaks

Renaming a column in SQL Server, and what it quietly breaks

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4 min read
Your price alert may be a store switch in disguise

Your price alert may be a store switch in disguise

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7 min read
MySQL ALTER TABLE: Which Changes Lock the Table, and How to Make One Fail Instead of Copying

MySQL ALTER TABLE: Which Changes Lock the Table, and How to Make One Fail Instead of Copying

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11 min read
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