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

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I Built a PostgreSQL User Analytics System — Here’s What I Learned About Real SQL

I Built a PostgreSQL User Analytics System — Here’s What I Learned About Real SQL

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3 min read
The Deterministic Problem with Probabilistic AI Analytics

The Deterministic Problem with Probabilistic AI Analytics

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7 min read
SQL Pattern Matching As A Beginner (LIKE, ILIKE, IN, BETWEEN)

SQL Pattern Matching As A Beginner (LIKE, ILIKE, IN, BETWEEN)

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3 min read
Best SQL Courses with Certificates for 2026

Best SQL Courses with Certificates for 2026

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7 min read
Learning SQL Subqueries as a Beginner: What Made Sense and What Didn’t

Learning SQL Subqueries as a Beginner: What Made Sense and What Didn’t

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3 min read
Deploy: Cenário: Azure App Service + Github + SQL Server

Deploy: Cenário: Azure App Service + Github + SQL Server

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5 min read
SQL: Doing GROUP BY in CsvPath

SQL: Doing GROUP BY in CsvPath

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5 min read
SQL WHERE Clause: I Thought I Knew It… Until It Asked Me About LIKE 😭

SQL WHERE Clause: I Thought I Knew It… Until It Asked Me About LIKE 😭

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3 min read
Practicing SQL with Real Data: INSERT, WHERE, ORDER BY, and GROUP BY

Practicing SQL with Real Data: INSERT, WHERE, ORDER BY, and GROUP BY

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3 min read
Craft and Control Resource Pools on MSSQL

Craft and Control Resource Pools on MSSQL

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3 min read
Subquery to GROUP JOIN — A Method for Merging Multiple Subqueries

Subquery to GROUP JOIN — A Method for Merging Multiple Subqueries

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5 min read
Learning SQL in Practice: LeetCode Challenges and Setting Up PostgreSQL

Learning SQL in Practice: LeetCode Challenges and Setting Up PostgreSQL

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3 min read
dev14

dev14

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1 min read
step6

step6

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step3

step3

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2 min read
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