COUNT

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Funciones de Agregación en SQL Server

By | 2011-05-25T19:22:56-05:00 May 24th, 2011|Categories: 100, SQL|Tags: , , , , , , , |

  Funciones de agregación ejecutan calculaciones contra los resultados del query. Las funciones de agregación regresan un resultado, o varios resultados si se usa el GROUP BY en el SELECT. Puede bajar los ejemplos aqui en formato ZIP. […]

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