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SQL desde Cero para Gente Real -Parte 2-: Aprende bases de datos, consultas, tablas, filtros, joins y análisis de datos con ejemplos sencillos paso a
Paperback
Publisher: Independently Published
Published: May 19 2026
Pages: 342
Weight: 1.01
Height: 0.71 Width: 6.00 Depth: 9.00
Language: Spanish
SQL desde Cero para Gente Real - 2a Parte es el segundo libro de una serie formada por tres partes. Continúa el recorrido iniciado en el primer volumen y te ayuda a reforzar, ampliar y practicar tus conocimientos de SQL paso a paso.
SQL no es solo escribir comandos. Es aprender a hacer mejores preguntas a los datos.
A lo largo de esta segunda parte seguirás trabajando con ejemplos claros y situaciones reales: clientes, productos, pedidos, ventas, alumnos, gastos, libros y pequeños registros de información. El objetivo es que puedas entender cada consulta, modificarla, adaptarla y usarla para resolver problemas concretos.
En este libro avanzarás en temas como:
- Consultas SQL más completas.
- Condiciones combinadas con mayor precisión.
- Filtros útiles para datos reales.
- Ordenación y selección de resultados.
- Primeros análisis con funciones.
- Agrupaciones de datos.
- Lectura y comprensión de consultas más largas.
- Errores habituales y cómo interpretarlos.
- Práctica progresiva para ganar seguridad.
Esta segunda parte es el puente entre el inicio y el uso más aplicado de SQL. La primera parte te dio la base. Esta segunda parte te ayuda a consolidarla. La tercera parte cerrará el recorrido con aplicaciones más prácticas, proyectos y conexiones con herramientas como Excel, Python, Power BI y análisis de datos.
Si quieres aprender SQL de forma ordenada, clara y sin sentir que estás leyendo un manual técnico, este libro te ayudará a seguir avanzando.
Lee, practica y continúa preguntando a tus datos.
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