<ul><li>SQL Projects in Visual Studio allow managing database schema as code and integration with CI/CD pipelines.</li><li>Adding new columns in the middle of a table in SQL Projects is treated as a breaking change, resulting in slower deployment with temp tables and potential risks like locking or downtime.</li><li>Best practice is to append new columns at the end of the table to ensure faster, non-blocking deployments without the need for temp tables, making deployments safer and more predictable.</li><li>Understanding the impact of column order in SQL Projects can help avoid performance issues, delays in deployment, and production downtime, ensuring effective and efficient use of SSDT.</li></ul>

SQL Project in VS: Why column order matters?

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