Database Indexing Explained (with PostgreSQL)

Hussein Nasser β€’ September 30, 2020
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Hussein Nasser

@hnasr

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Join me as we discuss various software engineering topics with examples and add fun elements to them. We always try to learn by example here in this educational Youtube channel which we believe is the right way to learn. I love Software engineering (especially the backend) and I strive to be a better software engineer every day. Join me on this journey and let us learn together. All opinions, suggestions, and tips I provide in all of this channel's content are my own. Information provided is for educational purposes only. Consider becoming a member to support the channel https://www.youtube.com/channel/UC_ML5xP23TOWKUcc-oAE_Eg/join Check out my courses https://courses.husseinnasser.com Stay awesome! Hussein Nasser, http://www.husseinnasser.com Feel free to shoot me an email [email protected] twitter: @hnasr

Video Description

Get my Fundamentals of Database Engineering udemy course to learn more , link redirects to udemy with coupon applied https://database.husseinnasser.com This is a practical video on Database Indexing where I explain what is an index, why do we need it and how it can improve the performance of the queries. Also how (if used incorrectly) it can slow down your queries intro 0:00 What is an index 0:30 Describe Table 2:15 SELECT [ID] WHERE ID 4:00 SELECT [NAME] WHERE ID 6:30 SELECT [ID] WHERE [NAME] (No index) 9:20 SELECT [ID] WHERE NAME LIKE 11:12 CREATE INDEX ON [NAME] 12:00 SELECT [ID] WHERE NAME (Indexed) 12:50 SELECT [1D] WHERE NAME LIKE (Indexed) 14:30 Summary 16:00 Support my work on PayPal https://bit.ly/33ENps4 Become a Member on YouTube https://www.youtube.com/channel/UC_ML5xP23TOWKUcc-oAE_Eg/join πŸ§‘β€πŸ« Courses I Teach https://husseinnasser.com/courses 🏭 Backend Engineering Videos in Order https://backend.husseinnasser.com πŸ’Ύ Database Engineering Videos https://www.youtube.com/playlist?list=PLQnljOFTspQXjD0HOzN7P2tgzu7scWpl2 🏰 Load Balancing and Proxies Videos https://www.youtube.com/playlist?list=PLQnljOFTspQVMeBmWI2AhxULWEeo7AaMC πŸ›οΈ Software Archtiecture Videos https://www.youtube.com/playlist?list=PLQnljOFTspQXNP6mQchJVP3S-3oKGEuw9 πŸ“© Messaging Systems https://www.youtube.com/playlist?list=PLQnljOFTspQVcumYRWE2w9kVxxIXy_AMo Become a Member https://www.youtube.com/channel/UC_ML5xP23TOWKUcc-oAE_Eg/join Support me on PayPal https://bit.ly/33ENps4 Stay Awesome, Hussein