Data Definition Language (DDL): Definition & Example
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Study.comMartin Gibbs
Data Definition Language (DDL): Definition & Example
SQL commands used to create or use database structures are known as data definition language (DDL). Explore the usage of the CREATE, DROP, and ALTER commands, and the numerous functions of DDL.
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📚 Mastering SQL: A Step-by-Step Guide 🚀 Learn the language that powers every major data system. ✅ 1️⃣ DDL – Data Definition Language 🏗️ CREATE – Build databases and tables DROP – Remove database objects ALTER – Modify table structures RENAME – Change object names ✅ 2️⃣ DML – Data Manipulation Language 📊 INSERT – Add new records UPDATE – Modify existing data DELETE – Remove records ✅ 3️⃣ DQL – Data Query Language 🔍 SELECT – Fetch records JOIN – Combine tables WHERE, GROUP BY, HAVING, ORDER B
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