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

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Database Design Errors to Avoid & How To Fix Them

Database Design Errors to Avoid & How To Fix Them

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5 min read
Remember to set the frequency for replication to Litestream!

Remember to set the frequency for replication to Litestream!

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1 min read
HANDLING THE SAFE UPDATE MODE IN MYSQL

HANDLING THE SAFE UPDATE MODE IN MYSQL

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1 min read
Count Distinct within Intervals in Order — From SQL to SPL #38

Count Distinct within Intervals in Order — From SQL to SPL #38

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2 min read
Top Free ER Diagram Tools for PostgreSQL in 2025

Top Free ER Diagram Tools for PostgreSQL in 2025

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7 min read
Filtering Out Rows Using LEFT JOIN: A Clean Alternative to NOT IN

Filtering Out Rows Using LEFT JOIN: A Clean Alternative to NOT IN

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3 min read
SQL Commands

SQL Commands

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2 min read
Hackerrank - SQL - Occupations

Hackerrank - SQL - Occupations

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2 min read
From Redundancy to Reusability: A Better Way to Manage Shared Records in Relational Databases

From Redundancy to Reusability: A Better Way to Manage Shared Records in Relational Databases

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1 min read
đź§© When to Use NoSQL and SQL?

đź§© When to Use NoSQL and SQL?

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2 min read
Hackerrank - SQL - Higher Than 75 Marks

Hackerrank - SQL - Higher Than 75 Marks

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2 min read
Unlock Database Perfection: 15 Essential Resources for SQL Normalization Mastery

Unlock Database Perfection: 15 Essential Resources for SQL Normalization Mastery

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5 min read
Hackerrank - SQL - Japanese Cities' Names

Hackerrank - SQL - Japanese Cities' Names

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1 min read
Hackerrank - SQL - Average Population of Each Continent

Hackerrank - SQL - Average Population of Each Continent

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2 min read
How I Analyzed Retail Sales Data Using SQL

How I Analyzed Retail Sales Data Using SQL

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2 min read
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