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Sentencia SQL SELECT DISTINCT

Tiempo de lectura: < 1 minuto Buenas tardes a tod@s, en el día de hoy continuamos con tutoriales sobre SQL hoy vamos a explicar con ejemplos las sentencias SQL SELECT DISTINCT SQL SELECT DISTINCT es una cláusula utilizada en SQL para seleccionar solo los valores únicos de una columna o conjunto de columnas de una tabla. Es muy útil cuando queremos obtener … Leer más

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Sintaxis en SQL

Sintaxis en SQL

Tiempo de lectura: 4 minutos La sintaxis de SQL se refiere a la estructura de las sentencias que utilizamos para interactuar con una base de datos. Es importante conocer la sintaxis correcta de SQL ya que cada sentencia tiene un formato específico y cualquier error en la sintaxis puede hacer que la sentencia no funcione correctamente. Una sentencia SQL típica … Leer más

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