It compares two databases (or a project and a database) and shows you exactly what is different. You can generate a deployment script to sync them with a single click. It saves hours of manual diffing and script writing.
With SSDT, Microsoft integrated the database development experience into Visual Studio. This allows developers to build, debug, maintain, and refactor databases within the same environment they use for C# or applications. The Core Philosophy: Declarative Development sql server data tools
Here’s an interesting, true story about SQL Server Data Tools (SSDT) that captures both its power and its occasional “surprise factor.” It compares two databases (or a project and
The story became a legend in their team: “Always review the actual generated deployment script before publishing—never trust the visual diff.” And they added a mandatory step to their CI/CD pipeline: generate the script, inspect it for hidden table rebuilds, then deploy. inspect it for hidden table rebuilds