The first official release of SSDT was in 2012 , for Visual Studio 2012 and SQL Server 2012.
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Avoid any tool from 2010–2012. Use SSDT with Visual Studio 2022 — it's stable, feature-rich, and fully supported. The first official release of SSDT was in
Would you like the official download link for SSDT with Visual Studio 2022 instead? sql server data tools 2010 download