{"product_id":"b0gx2zmv8z","title":"SQL \u0026 Database Essentials for Developers: A Hands-On Guide to Querying, Database Design, and Interview-Ready SQL Using Real Data (Developer Foundations Series Book 2)","description":"\u003cp\u003eMost developers know just enough SQL to get by.\u003cbr\u003e\nThey copy queries from Stack Overflow, use ORMs that\u003cbr\u003e\nhide the database, and quietly hope nobody asks them\u003cbr\u003e\nto explain what a LEFT JOIN actually does.\u003c\/p\u003e\n\n\u003cp\u003eThis book changes tha t.\u003c\/p\u003e\n\n\u003cp\u003eSQL \u0026amp; Database Essentials for Developers is a\u003cbr\u003e\npractical, hands-on guide that builds your database\u003cbr\u003e\nskills from the ground up using real data, real\u003cbr\u003e\nqueries, and real explanations that do not assume you\u003cbr\u003e\nalready know the answer.\u003c\/p\u003e\n\n\u003cp\u003eEvery query in this book runs against the Northwind\u003cbr\u003e\ndatabase, a classic sample dataset with customers,\u003cbr\u003e\norders, products, and employees that you can load in\u003cbr\u003e\nyour browser in under ten minutes. No installation\u003cbr\u003e\nrequired. No made-up examples. Just real data you\u003cbr\u003e\ncan explore, modify, and learn from immediately.\u003c\/p\u003e\n\n\u003cp\u003eInside this book you will learn how to:\u003c\/p\u003e\n\n\u003cp\u003e- Write SELECT queries with confidence using WHERE,\u003cbr\u003e\nORDER BY, LIMIT, DISTINCT, and pattern matching\u003cbr\u003e\n- Connect data across tables with INNER JOIN,\u003cbr\u003e\nLEFT JOIN, and multi-table joins that span four\u003cbr\u003e\ntables at once\u003cbr\u003e\n- Summarize and analyze data with COUNT, SUM, AVG,\u003cbr\u003e\nGROUP BY, and HAVING\u003cbr\u003e\n- Build complex multi-step queries using subqueries\u003cbr\u003e\nand Common Table Expressions\u003cbr\u003e\n- Design normalized databases from scratch using\u003cbr\u003e\nprimary keys, foreign keys, and the rules of 1NF,\u003cbr\u003e\n2NF, and 3NF\u003cbr\u003e\n- Speed up slow queries by understanding indexes and\u003cbr\u003e\nreading EXPLAIN query plans\u003cbr\u003e\n- Protect your data with transactions, ACID\u003cbr\u003e\nguarantees, and constraints like NOT NULL, UNIQUE,\u003cbr\u003e\nand CHECK\u003cbr\u003e\n- Understand where NoSQL fits, how ORMs work, and\u003cbr\u003e\nhow professional teams manage schema changes with\u003cbr\u003e\nmigrations\u003cbr\u003e\n- Solve the 15 SQL patterns that appear most often\u003cbr\u003e\nin technical interviews with full solutions and\u003cbr\u003e\nstep-by-step explanations\u003c\/p\u003e\n\n\u003cp\u003eEvery concept is introduced in plain English before\u003cbr\u003e\na single line of SQL appears. Every query is built\u003cbr\u003e\none piece at a time so you can follow exactly what\u003cbr\u003e\neach addition does. No query lands in front of you\u003cbr\u003e\nunexplained.\u003c\/p\u003e\n\n\u003cp\u003eWhether you are preparing for technical interviews,\u003cbr\u003e\njoining a team that works with relational databases,\u003cbr\u003e\nor finally ready to stop treating the database as a\u003cbr\u003e\nblack box —this is the book that builds the\u003cbr\u003e\nfoundation you have been meaning to build.\u003c\/p\u003e\n\n\u003cp\u003ePart of the Developer Foundations series.\u003c\/p\u003e","brand":"ANT","offers":[{"title":"Ebook","offer_id":67924912767221,"sku":"YSL54563","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/8774\/8597\/files\/61I30bIYkLL._SY1500.jpg?v=1793673900","url":"https:\/\/www.newbooks.store\/products\/b0gx2zmv8z","provider":"NewBooks","version":"1.0","type":"link"}