<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>SQL Server | The .NET Blog</title><link>https://thedotnetblog.com/es/tags/sql-server/</link><description>Articles, tutorials and insights from the .NET community.</description><generator>Hugo</generator><language>es</language><managingEditor>@thedotnetblog (The .NET Blog)</managingEditor><webMaster>@thedotnetblog</webMaster><lastBuildDate>Sun, 26 Apr 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://thedotnetblog.com/es/tags/sql-server/index.xml" rel="self" type="application/rss+xml"/><item><title>SQL Server 2025 como Base de Datos Lista para Agentes: Seguridad, Backup y MCP en un Solo Motor</title><link>https://thedotnetblog.com/es/posts/emiliano-montesdeoca/sql-server-2025-agent-ready-security-mcp/</link><pubDate>Sun, 26 Apr 2026 00:00:00 +0000</pubDate><author>Emiliano Montesdeoca</author><guid>https://thedotnetblog.com/es/posts/emiliano-montesdeoca/sql-server-2025-agent-ready-security-mcp/</guid><description>La parte final de la serie Polyglot Tax aborda los problemas difíciles de producción: seguridad unificada de Row-Level Security en datos relacionales, JSON, grafos y vectores, más integración MCP que hace a SQL Server 2025 genuinamente listo para agentes.</description><content:encoded>&lt;p&gt;&lt;em&gt;Este post fue traducido automáticamente. Para la versión original, &lt;a href="https://thedotnetblog.com/posts/emiliano-montesdeoca/sql-server-2025-agent-ready-security-mcp/"&gt;haz clic aquí&lt;/a&gt;.&lt;/em&gt;&lt;/p&gt;
&lt;p&gt;He seguido la serie Polyglot Tax de Aditya Badramraju con mucho interés. Las partes 1-3 construyeron un caso convincente para SQL Server 2025 como una base de datos genuinamente multi-modelo. La parte 4 cierra la serie con las partes que realmente determinan si confiarías en esta arquitectura en producción.&lt;/p&gt;
&lt;h2 id="un-modelo-de-seguridad-para-todos-los-modelos-de-datos"&gt;Un Modelo de Seguridad para Todos los Modelos de Datos&lt;/h2&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-sql" data-lang="sql"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="k"&gt;CREATE&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="k"&gt;SECURITY&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;POLICY&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;TenantIsolation&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="k"&gt;ADD&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;FILTER&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;PREDICATE&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;dbo&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;fn_TenantFilter&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;TenantID&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="k"&gt;ON&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;dbo&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;Customers&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="k"&gt;ADD&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;FILTER&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;PREDICATE&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;dbo&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;fn_TenantFilter&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;TenantID&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="k"&gt;ON&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;dbo&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;Events&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="k"&gt;ADD&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;FILTER&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;PREDICATE&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;dbo&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;fn_TenantFilter&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;TenantID&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="k"&gt;ON&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;dbo&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;Relationships&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="k"&gt;ADD&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;FILTER&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;PREDICATE&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;dbo&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;fn_TenantFilter&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;TenantID&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="k"&gt;ON&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;dbo&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;Embeddings&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="k"&gt;WITH&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="k"&gt;STATE&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="k"&gt;ON&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;Una política, una prueba. Para un auditor que pregunta &amp;ldquo;demuestra que el Tenant A no puede ver los datos del Tenant B&amp;rdquo;, esto es oro.&lt;/p&gt;
&lt;h2 id="backup-unificado--recuperación-atómica"&gt;Backup Unificado = Recuperación Atómica&lt;/h2&gt;
&lt;div class="highlight"&gt;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-sql" data-lang="sql"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="n"&gt;RESTORE&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="k"&gt;DATABASE&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;MultiModelApp&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="k"&gt;FROM&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;URL&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s1"&gt;&amp;#39;https://storage.blob.core.windows.net/backups/MultiModelApp.bak&amp;#39;&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="k"&gt;WITH&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="n"&gt;STOPAT&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="o"&gt;=&lt;/span&gt;&lt;span class="w"&gt; &lt;/span&gt;&lt;span class="s1"&gt;&amp;#39;2026-02-01 10:30:00&amp;#39;&lt;/span&gt;&lt;span class="p"&gt;;&lt;/span&gt;&lt;span class="w"&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;p&gt;En un stack políglota, coordinar la recuperación de cinco bases de datos es una pesadilla de consistencia. Con una sola base de datos y un log de transacciones, la recuperación es atómica por definición.&lt;/p&gt;
&lt;h2 id="integración-mcp-agentes-sin-middleware-codificado-a-mano"&gt;Integración MCP: Agentes Sin Middleware Codificado a Mano&lt;/h2&gt;
&lt;p&gt;SQL Server 2025 soporta el SQL MCP Server directamente. Los agentes llaman herramientas, el motor impone aislamiento de tenant y enmascaramiento de columnas automáticamente.&lt;/p&gt;
&lt;h2 id="resumiendo"&gt;Resumiendo&lt;/h2&gt;
&lt;p&gt;Para desarrolladores .NET construyendo aplicaciones con agentes en Azure SQL, esta arquitectura merece consideración seria. Post original de Aditya Badramraju: &lt;a href="https://devblogs.microsoft.com/azure-sql/the-polyglot-tax-part-4/"&gt;The Polyglot Tax – Part 4&lt;/a&gt;.&lt;/p&gt;</content:encoded></item></channel></rss>