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SQL desde Cero para Gente Real -1a PARTE-: Aprende bases de datos, consultas, tablas, filtros, joins y análisis de datos con ejemplos sencillos paso a
Paperback
Publisher: Independently Published
Published: May 11 2026
Pages: 212
Weight: 0.64
Height: 0.45 Width: 6.00 Depth: 9.00
Language: Spanish
Este libro es la primera parte de una serie de tres libros pensada para acompañarte paso a paso en el aprendizaje de SQL, las bases de datos y el trabajo práctico con datos reales.
SQL desde Cero para Gente Real está escrito para principiantes absolutos. No necesitas saber programar, ni tener experiencia previa con bases de datos, ni dominar conceptos técnicos complicados. Solo necesitas ganas de aprender una habilidad cada vez más útil en empresas, administración, análisis de datos, Excel, Python, Power BI y proyectos personales.
El enfoque es claro: menos teorÃa difÃcil y más ejemplos prácticos.
Trabajarás con situaciones reconocibles: una tienda con productos y clientes, pedidos, ventas, alumnos, libros, gastos domésticos y pequeños registros de información. Antes de cada consulta verás la pregunta en lenguaje normal. Después escribirás el código SQL. Y luego entenderás cada lÃnea con explicaciones sencillas.
En este libro aprenderás, entre otras cosas:
- Qué es SQL y por qué sigue siendo tan importante.
- Cómo funciona una base de datos explicada con ejemplos cotidianos.
- Qué son las tablas, filas, columnas y registros.
- Cómo escribir tus primeras consultas con SELECT.
- Cómo filtrar información con WHERE.
- Cómo ordenar resultados con ORDER BY.
- Cómo limitar resultados y evitar repetidos.
- Cómo empezar a pensar en los datos de forma clara y ordenada.
- Cómo practicar SQL sin miedo a equivocarte.
Si vienes de Excel, de la administración, de una pequeña empresa, de estudios de informática, de oposiciones o simplemente quieres mejorar tu perfil profesional, este libro puede ser tu primer paso.
SQL no es solo código. Es una forma de hacer preguntas a los datos.
Y este libro te enseña a empezar.
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