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All Postgres Locks Explained | A Deep Dive

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Fundamentals of Database Engineering udemy course (link redirects to udemy with coupon) https://database.husseinnasser.com In this video I do a deep dive in all locks obtained by postgres, I learned a lot while making this video and hope you enjoy it. 0:00 Intro 2:30 What are Locks? 5:30 Overview of Postgres Locks 9:10 Table-Level Locks 11:40 ACCESS EXCLUSIVE 17:40 ACCESS SHARE 19:00 ROW SHARE20:15 ROW EXCLUSIVE 21:15 SHARE UPDATE EXCLUSIVE 23:30 SHARE 24:50 SHARE ROW EXCLUSIVE 25:18 EXCLUSIVE 25:30 Table Lock Conflict Matrix 28:30 Row-Level Locks 30:00 FOR UPDATE 33:00 FOR NO KEY UPDATE 34:00 FOR SHARE 34:40 FOR KEY SHARE 35:10 Row Lock Conflict Matrix 39:25 Page-Level Locks 42:00 Deadlocks 46:00 Advisory Locks 47:20 Summary Doc https://www.postgresql.org/docs/current/explicit-locking.html Fundamentals of Backend Engineering Design patterns udemy course (link redirects to udemy with coupon) https://backend.husseinnasser.com Fundamentals of Networking for Effective Backends udemy course (link redirects to udemy with coupon) https://network.husseinnasser.com Follow me on Medium https://medium.com/@hnasr/membership Introduction to NGINX (link redirects to udemy with coupon) https://nginx.husseinnasser.com Python on the Backend (link redirects to udemy with coupon) https://python.husseinnasser.com Become a Member on YouTube https://www.youtube.com/channel/UC_ML5xP23TOWKUcc-oAE_Eg/join Buy me a coffee if you liked this https://www.buymeacoffee.com/hnasr Arabic Software Engineering Channel https://www.youtube.com/channel/UChWZsjdoRvZ0T9QWZOD6UpA šŸ”„ Members Only Content https://www.youtube.com/playlist?list=UUMO_ML5xP23TOWKUcc-oAE_Eg šŸ­ Backend Engineering Videos in Order https://backend.husseinnasser.com šŸ’¾ Database Engineering Videos https://www.youtube.com/playlist?list=PLQnljOFTspQXjD0HOzN7P2tgzu7scWpl2 šŸŽ™ļøListen to the Backend Engineering Podcast https://husseinnasser.com/podcast Gears and tools used on the Channel (affiliates) šŸ–¼ļø Slides and Thumbnail Design Canva https://partner.canva.com/c/2766475/647168/10068 Stay Awesome, Hussein

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