When it comes to connecting to a database, Navicat this graphical and easy-to-use database connection tool is well suited to meet your various needs. But since that when it executes statements like delete from table, update table set column='value', you would get no indication if they were executed without additional conditions. As a result, database maintainers can cause data disasters if they are not careful enough during routine maintenance. That's why some companies are starting to ask for a switch to DBeaver.

Navicat Data Modeler is a cross-platform visual database design software developed by PremiumSoft from Hong Kong in China. It comes with good usability, has practical functions such like: designs the database structure, performs a reverse or forward engineering process, imports models from the ODBC data source, generates complex SQL/DDL, and prints models. These can help user build high-quality conceptual, logical and physical data models easily and efficiently.

EZDML is a free lightweight but practical database builder from China, with which we can quickly design a database table structure, and set up the data model. To a certain extent, we can see it as a super lite version of many commonly used database modeling tools (such as SAP PowerDesigner, CA ERwin, ER/Studio, Rational Rose family, and so on).

VirtualBox (formerly called Sun VirtualBox, Sun xVM VirtualBox and Innotek VirtualBox, now its full name should be Oracle VM VirtualBox) is a powerful cross-platform, open-source and x86-based virtual machine (VM) software. It allows users to virtual other x86-based operating systems on 32-bit or 64-bit Windows, Solaris and Linux operating systems, that is to say, the user can install and run Solaris, Windows, DOS, Linux, OS/2 Warp, OpenBSD or FreeBSD system as the client operating system in VirtualBox.