crabiet

This is a very simple plugin which just shows your DataBase size under the header of the admin control panel. Usefull for those who have database size limited by their host. 
Database size appears in green if under 4 MBytes by default, else in red if over this value.

DATABASE SIZE WORPRESS PLUGIN

Takashi Fujisaki

Tiny Backup is a WordPress plugin that allows you to create backup files simply and without any complicated configuration. 
You can create and download the bare minimum backup with just one click, stress-free.
<ul>
<li>Database backup (SQL inside ZIP)</li>
<li>Files backup (select folders under <code>wp-content</code>)</li>
<li>Clear progress indicator and logs</li>
<li>No external services; everything runs on your server</li>
</ul>
This plugin is ideal for small to medium sites that need quick on-demand backups.

Tiny Backup

Simple and minimal backup plugin for WordPress. Create database and files backups with one click.

DATABASE SIZE WORPRESS PLUGIN vs Tiny Backup