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Category: MySQL, MariaDB & Percona Server

This category contains secrets related to one of the most popular database management systems in the world – MySQL and its counterparts like MariaDB and Percona Server.

COALESCE SQL

Beyond COALESCE SQL: Mastering NULL Handling in SQL

September 17, 2025 Nirium Database Performance, Databases, MySQL, MariaDB & Percona Server, PostgreSQL, SQL Server, TimescaleDB

Here’s how to master the handling of NULL values without using the COALESCE SQL clause.

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MariaDB vs MySQL

MariaDB vs MySQL: Similarities & Differences You Should Know

September 12, 2025 Nirium Database Performance, Databases, MySQL, MariaDB & Percona Server

Many developers using MySQL and MariaDB wonder what’s the difference between MariaDB vs MySQL. Keep reading and find out!

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SQL GROUP BY

How to Use SQL GROUP BY for Data Analysis

September 11, 2025 Nirium Databases, MySQL, MariaDB & Percona Server

Learn how best to use the SQL GROUP BY clause for data analysis.

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insert into table from select

How to Insert Into Table From SELECT Query in SQL

September 11, 2025 Nirium Database Performance, Database Security, Databases, MySQL, MariaDB & Percona Server

Wondering how to insert into table from SELECT query in SQL? You came to the right place!

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PostgreSQL vs MySQL

PostgreSQL vs MySQL: Key Similarities and Differences

September 9, 2025 Nirium Database Performance, Databases, MySQL, MariaDB & Percona Server, PostgreSQL

PostgreSQL vs MySQL. What to choose for your database needs? Read this blog and find out.

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MySQL Error 1064

MySQL Error 1064: Everything You Need to Know

September 9, 2025 Nirium Database Performance, Database Security, Databases, MySQL, MariaDB & Percona Server

The MySQL error 1064 denotes a syntax error. Here’s everything you need to know about this MySQL error.

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Error: MySQL Shutdown Unexpectedly.

Overcoming the Error: MySQL Shutdown Unexpectedly.

September 9, 2025 Nirium Database Performance, Database Security, Databases, MySQL, MariaDB & Percona Server

The error: MySQL shutdown unexpectedly. is one of the most prominent errors in the MySQL world. Here’s what causes it and how to overcome this MySQL error.

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COALESCE SQL

COALESCE SQL Query Explained

April 21, 2025 Nirium Database Performance, Databases, MySQL, MariaDB & Percona Server, PostgreSQL, SQL Server

The COALESCE SQL statement allows us to perform operations on NULL values. Here’s what it is, how it works, and why you need to pay attention to it.

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Error: MySQL Shutdown Unexpectedly.

Error: MySQL Shutdown Unexpectedly. What’s the Solution?

April 14, 2025 Nirium Databases, MySQL, MariaDB & Percona Server

The error: MySQL shutdown unexpectedly. is one of the most frequent MySQL errors. Here’s how to solve this MySQL error.

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All of the content within this blog are opinions of the respective authors. Unless the authors are quoting someone, they're just their own views. The content within this blog is created solely for educational purposes.