Lenguaje SQL Sin Misterios
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Lenguaje SQL Sin Misterios
Description
¿Cansado de tutoriales en inglés y ejemplos que no reflejan nuestra realidad laboral latina? "Lenguaje SQL Sin Misterios" es la guía que necesitas para dominar las consultas de bases de datos desde una perspectiva práctica y culturalmente relevante.
Este libro rompe con la tradición de manuales técnicos complicados, presentando SQL a través de situaciones cotidianas que enfrentamos en empresas latinoamericanas: desde el análisis de ventas de una tienda local hasta la gestión de inventarios de un negocio familiar. Cada concepto se explica utilizando ejemplos del mundo real que resuenan con nuestra experiencia profesional latina, manteniendo los términos técnicos esenciales en inglés para prepararte para el mercado laboral internacional.
Aprenderás paso a paso, con ejemplos prácticos y código que puedes usar inmediatamente. Verás cómo analizar datos de ventas por región, gestionar registros de clientes, calcular comisiones, y generar reportes empresariales relevantes para nuestro mercado. El libro incluye los comandos más utilizados en el día a día laboral, explicados de manera clara y directa, sin la jerga técnica innecesaria que suele confundir a los principiantes.
Lo que hace único a este libro es su enfoque en situaciones reales del mercado latinoamericano, mientras te prepara para oportunidades globales. Cada capítulo incluye ejercicios prácticos basados en escenarios comunes en nuestras empresas, junto con consejos para resolver problemas frecuentes y optimizar consultas para bases de datos grandes.
Ya seas un profesional buscando mejorar tus habilidades técnicas, un emprendedor que necesita entender mejor sus datos, o un estudiante preparándose para el mundo laboral, este libro te dará las herramientas necesarias para destacar en el campo del análisis de datos. Al final del libro, no solo sabrás escribir consultas SQL, sino que entenderás cómo resolver problemas reales de datos en cualquier entorno empresarial.
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Delivery
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- Separate orders can’t be combined once they’ve been placed, and adding or swapping items can change the delivery estimate.
- Supplier delays: Occasionally a supplier is delayed, or their stock information turns out to be inaccurate. We’ll keep your order open for up to 60 days. If an item hasn’t shipped or isn’t on its way to us by then, we’ll cancel that item and refund it.
Faulty or damaged items are always covered. See Returns.
Returns
Damaged or incorrect items (within 30 days)
If an item arrives damaged or isn’t what you ordered, contact us within 30 days of delivery. We may ask for a photo, and if we need the item back we’ll send a prepaid return label, so it costs you nothing. You’ll receive a replacement or refund, as guaranteed under the Australian Consumer Law.
Change of mind (within 30 days)
We offer a refund or store credit for change of mind within 30 days of purchase when:
- you have your proof of purchase;
- the item is unused and in its original condition and packaging;
- it isn’t a sale item, special order, custom item or gift voucher.
You pay the postage to return change-of-mind items. Change-of-mind returns aren’t available for print-on-demand titles or bulk orders with special pricing.
Returned to sender
If an order is sent to an incorrect address you gave us, or isn’t collected and Australia Post returns it to us, you’ll need to pay the postage to send it again.