SQL Masterclass: From Absolute Beginner to Developer

Partner: Udemy
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Description: SQL Masterclass: From Absolute Beginner to Advanced Query Expert  This course is a complete, step-by-step journey that transforms anyone—from absolute beginner to confident practitioner—into a production-ready SQL developer using MySQL.  Every concept is explained, demonstrated, and immediately practiced inside the MySQL Workbench so you see results in real time.The curriculum is broken into four progressive phases:Phase 1 – FoundationsYou start with nothing more than curiosity.  We install MySQL together, tour the Workbench, and learn what a database truly is.  You’ll master every DDL statement (CREATE, ALTER, DROP, TRUNCATE, RENAME) and understand when to use each one.  Next we cover every MySQL datatype in depth: TINYINT, SMALLINT, MEDIUMINT, INT and BIGINT; FLOAT, DOUBLE, and DECIMAL for exact money calculations; CHAR vs VARCHAR vs TEXT for strings; DATE, DATETIME, TIMESTAMP, and TIME for temporal data.  You practice inserting data three different ways (implicit, explicit, and bulk) and learn safe UPDATE and DELETE patterns that never break referential integrity.  Phase 2 – Data Integrity & Modeling Real databases must enforce rules.  We cover PRIMARY KEY, FOREIGN KEY, UNIQUE, NOT NULL, CHECK, DEFAULT, and AUTO_INCREMENT constraints with hands-on labs.  You’ll normalize sample datasets then denormalize selectively for performance.  A mini-project asks you to refactor an existing schema so it passes all normal-form tests while remaining practical.Phase 3 – Query Mastery You now write powerful SELECT statements.  We teach the exact SQL execution order so you understand why WHERE filters before HAVING.  You aggregate data with GROUP BY, filter groups with HAVING, and sort with ORDER BY.  We then turn to relationships: you diagram 1-to-1, 1-to-many, and many-to-many scenarios, then implement them using INNER, LEFT, RIGHT, and FULL OU
Category: IT & Software > Operating Systems & Servers > MySQL
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Price: 59.99
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Source: Impact
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