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

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PostgreSQL timestamp vs timestamptz: Which to Use and How to Find the Wrong Ones

PostgreSQL timestamp vs timestamptz: Which to Use and How to Find the Wrong Ones

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8 min read
Circular Foreign Keys: Why the First Row Cannot Be Inserted

Circular Foreign Keys: Why the First Row Cannot Be Inserted

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10 min read
Tattoo data taught me to delete every third-party script — and build analytics from a SQLite table

Tattoo data taught me to delete every third-party script — and build analytics from a SQLite table

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4 min read
Taba est devenue une ligne SQL, et ça explique mieux la POO que n'importe quel cours

Taba est devenue une ligne SQL, et ça explique mieux la POO que n'importe quel cours

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4 min read
A missing ORDER BY cost us Thousands in API calls

A missing ORDER BY cost us Thousands in API calls

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2 min read
SQL DEFINITIONS:

SQL DEFINITIONS:

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4 min read
Five SQL Bugs That Never Threw an Error

Five SQL Bugs That Never Threw an Error

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5 min read
A Generated SQL Query Got Faster by Returning Fewer Rows. Test That Before You Merge It

A Generated SQL Query Got Faster by Returning Fewer Rows. Test That Before You Merge It

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5 min read
Directus Basics Part 2 — Understanding Relationships (M2O, O2M, M2M)

Directus Basics Part 2 — Understanding Relationships (M2O, O2M, M2M)

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3 min read
Your Database Is Making 4 Promises. Here's What ACID Means.

Your Database Is Making 4 Promises. Here's What ACID Means.

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10 min read
Database Development Without ORM: A Pragmatic Approach to SQL-First Workflows

Database Development Without ORM: A Pragmatic Approach to SQL-First Workflows

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2 min read
Webtabellen Converteren naar SQL INSERT-Statements

Webtabellen Converteren naar SQL INSERT-Statements

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5 min read
I Thought MSSQL and MySQL Were the Same. I Was Wrong.

I Thought MSSQL and MySQL Were the Same. I Was Wrong.

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20 min read
Closing the Tax Gap with a Data Model: Invoice Traceability in SQL

Closing the Tax Gap with a Data Model: Invoice Traceability in SQL

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4 min read
Speed Up Your Queries: A Plain-English Guide to Database Indexing

Speed Up Your Queries: A Plain-English Guide to Database Indexing

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3 min read
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