SQL Triggers | SQL Tutorial for Beginners in 2021| SQL Triggers with Examples | Great Learning скачать в хорошем качестве

SQL Triggers | SQL Tutorial for Beginners in 2021| SQL Triggers with Examples | Great Learning

🔥1000+ Free Courses With Free Certificates: https://www.mygreatlearning.com/?utm_... 🔥 Get your free certificate of completion for the SQL for Data Science Course, Register Now: https://glacad.me/3kgKNv4 🔥 In this video we discuss SQL Triggers. A SQL trigger is a database object which fires when an event occurs in a database. We can execute a SQL query that will "do something" in a database when a change occurs on a database table such as a record is inserted or updated or deleted. A trigger is a stored procedure in a database that automatically invokes whenever a special event in the database occurs. For example, a trigger can be invoked when a row is inserted into a specified table or when certain table columns are being updated. Earn an MS in Analytics from the University of Arizona without GRE/TOEFL, save up to ₹55+ lakhs, and get up to 3 years STEM OPT VISA. Grab the chance—apply today! https://www.mygreatlearning.com/maste... Advance your career with our PG Program in Software Development and Engineering. Grab this opportunity and apply today! https://www.mygreatlearning.com/pg-pr... 00:00:00 - Start 00:01:20 - Agenda 00:02:01 - Introduction 00:05:13 - Syntax of Trigger 00:06:46 - Before Insert Trigger 00:17:18 - After Insert Trigger 00:28:58 - Before Update Trigger 00:35:47 - After Update Trigger 00:45:00 - Advantages 00:45:58 - Summary Visit Great Learning Academy, to get access to 300+ free courses with 1000+ hours of content on Data Science, Data Analytics, Artificial Intelligence, Big Data, Cloud, Management, Cybersecurity, Software Development and many more. These are supplemented with free projects, assignments, datasets, quizzes. You can earn a certificate of completion at the end of the course for free. https://glacad.me/3xFecTK Get the free Great Learning App for a seamless experience, enroll for free courses and watch them offline by downloading them. https://glacad.me/3cSKlNl About Great Learning: Great Learning is an online and hybrid learning company that offers high-quality, impactful, and industry-relevant programs to working professionals like you. These programs help you master data-driven decision-making regardless of the sector or function you work in and accelerate your career in high growth areas like Data Science, Big Data Analytics, Machine Learning, Artificial Intelligence & more.