When comparing Adminer vs SQL Workbench/J, the Slant community recommends SQL Workbench/J for most people. In the question“What are the best GUI tools for PostgreSQL on Windows?” SQL Workbench/J is ranked 12th while Adminer is ranked 17th. The most important reason people chose SQL Workbench/J is:
Any changes to the database generate SQL statements that you can review and edit before running.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Lightweight
The installation and Adminer itself only requires a single PHP file. Once it's uploaded you can log in and start using it.
Pro Supports more than MySQL
It supports several database management systems (Postgres, SQLite, Oracle, MS SQL and of course MySQL).
Pro Database views
Anyone who uses the views function will appreciate Adminer better. You can click on a view and edit to change the view. In phpMyAdmin, you can edit a view, but it's not easy or intuitive. SQL Buddy doesn't have any way of doing this.
Pro Themes
Has a great variety of themes which transfers pretty ugly application into a great looking one.
Pro Installation
No need to install, it's available to use out of the box.

Pro Allows you to edit changes before they are executed.
Any changes to the database generate SQL statements that you can review and edit before running.

Pro Works with almost any SQL database
Can work with any database with a jdbc driver.

Pro Can edit data in table mode.
Easy to make changes when viewing data.
Cons
Con Bulk edition problems
