SQL

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    SQL - Presentation Transcript

    1. Tutorial de SQL por Claudio Casares INDICE 1. Introducción 1.1 Componentes del SQL 1.2 Comandos 1.3 Cláusulas 1.4 Operadores Lógicos 1.5 Operadores de Comparación 1.6 Funciones de Agregado 2. Consultas de Selección 2.1 Consultas Básicas 2.2 Ordenar los Registros 2.3 Consultas con Predicado 2.4 Alias 2.5 Bases de Datos Externas 3. Criterios de Selección 3.1 Operadores Lógicos 3.2 Intervalos de Valores 3.3 El Operrador Like 3.4 El Operador In 3.5 La cláusula WHERE 4. Agrupamiento de Registros y Funciones Agregadas 4.1 El cláusula GROUP BY 4.2 AVG (Media Aritmética) 4.3 Count (Contar Registros) 4.4 Max y Min (Valores Máximos y Mínimos) 4.5 StDev y StDevP (Desviación Estándar) 4.6 Sum (Sumar Valores) 4.7 Var y VarP (Varianza) 5. Consultas de Actualización 5.1 Consultas de Eliminación 5.2

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    SQL para entornos Microsoft, como Access

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