Microsoft Visual Studio might be a bit more popular than Open DBDiff. We know about 1 link to it since March 2021 and only 1 link to Open DBDiff. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
A tool that barely gets the job done for SQL Server: https://github.com/opendbdiff/opendbdiff And something that can begin collecting a history of DDL changes in a SQL Server database to compare stored procedure versions: https://github.com/unruledboy/SQLMonitor (among many other administrative features). - Source: Hacker News / about 3 years ago
While the editor seems to old fashioned there isn't anything particularly wrong in using it for learning. Alternatively you can propose to your teacher about https://visualstudio.microsoft.com/vs/express/ . IMO editor is not a big factor when we are talking about high school learning. Source: almost 4 years ago
Redgate SQL Data Compare - Use Redgate SQL Data Compare to compare and synchronize static, lookup, and reference data in your SQL Server database - try it free
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
DBComparer - Free Compare database tool - DBComparer 3.0 is a professional compare database tool for comparing Microsoft SQL Server 2008 (and 2005) database structure.
Xcode - Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.
MssqlMerge - MssqlMerge is an easy to use diff & merge tool for Microsoft SQL Server databases.
VS Code - Build and debug modern web and cloud applications, by Microsoft