Younes JFR.

Younes Jaafar known as (Younes JFR.), is the Founder of SigmaPlugin.com. I have spent the past 10 years developing websites and plugins for WordPress. Web development is not only a job but also a passion for me and always will be.

What are unused postmeta and how to clean them?

November 27, 2025

By Younes JFR.

What are unused postmeta? Each post in WordPress can store metadata in the wp_postmeta table. These metadata entries contain extra...

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What are duplicated termmeta and how to clean them?

November 27, 2025

By Younes JFR.

What are duplicated termmeta? WordPress terms, such as categories and tags, can store metadata in the wp_termmeta table. Duplicated termmeta...

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What are duplicated usermeta and how to clean them?

November 27, 2025

By Younes JFR.

What are duplicated usermeta? User metadata, or usermeta, stores additional information for each user account, such as preferences, roles, and...

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Major Changes in the New Advanced Database Cleaner 4.0.0

What’s New in Advanced Database Cleaner 4.x – Full Tour

November 27, 2025

By Younes JFR.

Introduction Version 4.x of Advanced Database Cleaner marks a major evolution of the plugin. Internally, the architecture was rebuilt to...

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What are “tables to repair” and how to clean them?

November 25, 2025

By Younes JFR.

What are “tables to repair”? Tables can become inconsistent due to abrupt server restarts, storage issues, or plugin crashes. “Tables...

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Create a new WordPress admin user using phpMyAdmin

November 18, 2023

By Younes JFR.

Have you ever found yourself locked out of your WordPress admin panel? Whether due to a forgotten password or an...

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How to delete a specific table from your WordPress Database

October 14, 2020

By Younes JFR.

When you are using WordPress, it arrives that you need to delete a specific table from your database. For example,...

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Changelog – Advanced Database Cleaner

September 4, 2020

By Younes JFR.

The changelog has been moved to: https://docs.sigmaplugin.com/article/41-adbc-pro-changelog

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How to increase your PHP Max Execution Time in case of a timeout error

April 9, 2020

By Younes JFR.

When executing PHP scripts that manipulate large amounts of data, such as exporting/importing a large database, processing a big number...

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How to get access to my account and downloads

November 4, 2019

By Younes JFR.

After purchasing one of our plugins, you can get access to your account so you can view your purchase history,...

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Restore pro version after upgrade to 3.0.0

October 11, 2019

By Younes JFR.

(This post concerns PRO users who lost their premium versions after upgrading to version 3.0.0 from an old version of...

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What are WordPress transients?

October 3, 2019

By Younes JFR.

Transients are a way of storing cached data in the WordPress DB temporarily by giving it a name and a...

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Younes JFR.

What are unused postmeta and how to clean them?

What are duplicated termmeta and how to clean them?

What are duplicated usermeta and how to clean them?

What’s New in Advanced Database Cleaner 4.x – Full Tour

What are “tables to repair” and how to clean them?

Create a new WordPress admin user using phpMyAdmin

How to delete a specific table from your WordPress Database

Changelog – Advanced Database Cleaner

How to increase your PHP Max Execution Time in case of a timeout error

How to get access to my account and downloads

Restore pro version after upgrade to 3.0.0

What are WordPress transients?

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