AWS DATA ENGINEERING - 5. Constraints in SQL | SQL Tutorial

Understanding SQL Constraints: Ensure Data Integrity! Description: In this video, we dive into SQL constraints—essential rules that help maintain the integrity and accuracy of your database. Whether you're a beginner or looking to brush up on your SQL skills, this guide covers everything you need to know about constraints! What You’ll Learn: Definition of SQL Constraints: Understand what constraints are and why they are crucial for data integrity. Types of SQL Constraints: NOT NULL: Prevents NULL values in specified columns. UNIQUE: Ensures all values in a column are distinct. PRIMARY KEY: Uniquely identifies each row in a table. FOREIGN KEY: Enforces relationships between tables for referential integrity. CHECK: Validates that data meets specific criteria. DEFAULT: Sets default values for columns when none are provided. Want more similar videos- hit like, comment, share and subscribe ❤️Do Like, Share and Comment ❤️ ❤️ Like Aim 5000 likes! ❤️ AWS DATA ENGINEER : https://www.youtube.com/playlist?list=PLOlK8ytA0MghpdMjb0m9zu1v9s_qbRP0q Azure data factory : https://youtube.com/playlist?list=PLOlK8ytA0MgguN5XidtQXbILxwCdJCUJE&si=iEICXHP80zGchUYh Azure data engineer playlist : https://youtube.com/playlist?list=PLOlK8ytA0MghBrzu0i6WlTBdoO1WdwV_e SQL PLAYLIST : https://www.youtube.com/playlist?list=PLOlK8ytA0MggGXIKmbfZ-_Xqcos3JKdV- PYSPARK PLAYLIST - https://www.youtube.com/playlist?list=PLOlK8ytA0MgjvOpd-088NRU_vTYw_aryH ➖➖➖➖➖➖➖➖➖➖➖➖➖ 📣Want to connect with me? Check out these links:📣 Join telegram to discuss https://t.me/+Cb98j1_fnZs3OTA1 ➖➖➖➖➖➖➖➖➖➖➖➖➖ what we have covered in this video: ➖➖➖➖➖➖➖➖➖➖➖➖➖ Hope you liked this video and learned something new :) See you in next video, until then Bye-Bye! ➖➖➖➖➖➖➖➖➖➖➖➖➖