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Technical Notes Of
Ehi Kioya

Technical Notes Of Ehi Kioya

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Database

Weird Characters In WordPress? Here’s How To Clean Them Up

May 23, 2019 by Ehi Kioya 4 Comments

Weird Characters In WordPress

If you do WordPress site migrations often, you will at some point encounter the problem of weird characters (like “ and ”) appearing in your WordPress content. This article explains why this may happen and how to fix the problem.

Filed Under: Backend (Server-Side), Database, Web Development, WordPress Tagged With: Database, SQL, Web Development, WordPress

Different Ways To Change The WordPress “siteurl” And “home” Links

April 5, 2019 by Ehi Kioya Leave a Comment

Different Ways To Change The WordPress siteurl And home Links

Once in a while, you may need to manually change your WordPress siteurl and home links (e.g. when you’re migrating your entire website to a new domain). If not done right, your site may malfunction. Here are the different proper ways to do this.

Filed Under: Backend (Server-Side), Database, PHP, Programming, Web Development, WordPress Tagged With: Database, PHP, SQL, WordPress

Understanding Conceptual, Logical, and Physical Database Modeling

March 3, 2019 by Ehi Kioya Leave a Comment

Understanding Conceptual, Logical, And Physical Database Modeling

Database Modeling is an important part of the software development process. What is a Database Model? What are Conceptual, Logical and Physical Database Models, and how do they differ? I provide a detailed but high-level overview in this article.

Filed Under: Database, Musings, Zero Code Tech Tagged With: Data Modeling, Database, Database Modeling, Modeling

“Hacking” A WordPress Password

September 6, 2018 by Ehi Kioya Leave a Comment

Hacking A WordPress Password

Locked out of your WordPress website? No worries. This article explains how a server administrator can either force reset a user’s WordPress password or create a new WordPress admin user with a brand new password. Database and FTP methods are described.

Filed Under: Backend (Server-Side), Database, Programming, WordPress Tagged With: Database, MySQL, Password, PHP, Programming, WordPress

Connect To Amazon RDS (Or Any Database) Using HeidiSQL Via SSH Tunneling

July 15, 2018 by Ehi Kioya 2 Comments

HeidiSQL SSH Tunneling

Connecting to databases via SSH Tunneling is something developers and IT professionals often need to do. And HeidiSQL is one of the more popular open-source database tools. While HeidiSQL fully supports SSH tunneling, there doesn’t seem to be any documentation about how to accomplish this. So, after struggling with this for a few hours and figuring it out, I put these instructions together to help others.

Filed Under: AWS, Azure, Cloud, Cloud Computing, Database, Linux & Servers Tagged With: Amazon RDS, Cloud Computing, Database, HeidiSQL, Linux, SSH Tunneling

Protect SQL Statements From Accidental Update/Delete

March 11, 2013 by Ehi Kioya 4 Comments

Protect SQL Statements

The designers of SQL for some reason did not require a keyword (like “ALL”) to protect SQL statements from accidental updates or deletes. Especially when the UPDATE or DELETE statement doesn’t contain a WHERE clause. I wonder if this was deliberate or if it was an oversight. In any case, the programmer becomes “all-powerful”. The significance of this problem will be better appreciated with an example…

Filed Under: Backend (Server-Side), Database Tagged With: Database, SQL

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