Mastering SQL - PostgreSQL: Creating Tables and Indexes with DDL – Data Definition Language

Explore the fundamentals of DDL (Data Definition Language) in SQL and PostgreSQL to create and manage database objects like tables and indexes. This tutorial covers everything from creating tables and adding comments to querying metadata for detailed insights. Whether you’re a beginner or experienced developer, learn how to efficiently define and organize your database structures. You’ll learn: ✔ What DDL is and how it’s used in database management. ✔ Best practices for executing DDL statements in production environments. ✔ How to create tables with specified columns, data types, constraints, and defaults. ✔ Adding comments at both table and column levels. ✔ Viewing and analyzing metadata for tables and columns using information_schema. ✔ Real-world examples of managing tables and indexes. Timestamps * 0:00 - Introduction to DDL and its use cases * 0:18 - Handling DDL in production environments * 0:29 - Common DDL tasks: Creating tables, indexes, and constraints * 1:10 - Anatomy of a CREATE TABLE statement * 1:35 - Rare DDL tasks: Adding, dropping, and modifying columns * 2:01 - Adding comments to tables and columns in PostgreSQL * 3:15 - Querying column-level metadata with information_schema.columns * 4:29 - Querying table-level metadata with information_schema.tables Continue Your Learning Journey with PostgreSQL! 🚀 ✅ Previous Video: https://youtu.be/Gx56dPQX4C4?feature=shared ✅ Next Video: https://youtu.be/5JM0VJpqMw8?feature=shared ✅ Full Course: https://youtube.com/playlist?list=PLf0swTFhTI8oQNiY2ZTf81zvKB7-y3y4e&feature=shared Connect with Us: * Newsletter: http://notifyme.itversity.com * LinkedIn: https://www.linkedin.com/company/itversity/ * Facebook: https://www.facebook.com/itversity * Twitter: https://twitter.com/itversity * Instagram: https://www.instagram.com/itversity/ 👉 Don’t forget to subscribe to https://www.youtube.com/itversityin YouTube channel for more tutorials! #sql, #database, #postgresl, #ddl, #indexes