Frank Bueltge

Inpsyde GmbH

Simon Kraft

WP Media

ChriCo

Rene Reimann

s-hinse

With Search & Replace you can search for everything and replace this with everything but before you do this you can easily create a simple database backup and restore it.
For avoiding problem please keep in mind that this plugin search and replace strictly what is specified in “Replace With”. 
Common error example: 
Search For: http://web.com/wordpress/ 
Replace With: http://neuweb.com/wordpress 
The url become something like: http://neuweb.com/wordpresscontent/…
Correct “Replace with”: 
Search For: http://web.com/wordpress/ 
Replace With: http://neuweb.com/wordpress/ 
The url become something like: http://neuweb.com/wordpress/content/…
We have implemented special features!
The first one is “Replace a Domain / URL” that is useful for a quick and simple transfer or a migration of a WordPress site. 
The second feature is full support for serialized data. There are a lot more features – check them out! 🙂
Our goal with this plugin is to give you a good solution for manipulating your data for both Developers and Users of WordPress.
<blockquote>
Note: This plugin requires PHP 5.6 or higher to be activated.
</blockquote>
<a href="https://github.com/wp-media/search-and-replace" rel="nofollow ugc">Checkout our GitHub Repository</a>
<h4>Features</h4>
<ul>
<li>Search & replace data in your WordPress database</li>
<li>Change domain/URL of WordPress installation</li>
<li>Handle serialized data</li>
<li>Choose dry run or download SQL file</li>
<li>Change table prefix</li>
<li>Backup & restore your database</li>
<li>WordPress Multisite support</li>
<li>Localized and ready for your own language</li>
</ul>
<h4>Crafted by WP Media</h4>
Made by <a href="https://wp-media.me" rel="nofollow ugc">WP Media</a>.
<h4>Donation?</h4>
You want to donate – we prefer a <a href="https://wordpress.org/support/view/plugin-reviews/search-and-replace?rate=5#postform" rel="ugc">positive review</a>, not more.

Search & Replace

Search & Replace data in your database with WordPress admin, replace domains/URLs of your WordPress installation.

Olar Marius

Justin Watt

Instead of needing a tool like <a href="http://www.phpmyadmin.net/home_page/index.php" rel="nofollow ugc">phpMyAdmin</a> 
or the mysql command line client to view and modify your WordPress database, 
the SQL Executioner allows you to run arbitrary SQL queries against your 
WordPress database from within the Admin. In many cases this allows you to bypass 
the inherent limitations of the WordPress Admin interface, and use the full expressive 
power of SQL to analyze and update your blog’s database.
To use simply install and visit the Tools > SQL Executioner page.
If you’re interested in contributing to the code behind this plugin, it’s also hosted on GitHub: 
https://github.com/justincwatt/wp-sql-executioner

SQL Executioner

This plugin seems to me simple but very useful.

Simple and efficient

I use this plugin on a daily basis to run quick queries in the database while developing. Very very helpful!!!

Amazing Tool

Execute arbitrary SQL queries against your WordPress database from the Admin.

Search & Replace vs SQL Executioner