Decoding Explain Query Plans for SELECT Statements with Table Indexes



Decoding Explain Query Plans for SELECT Statements with Table Indexes

Decoding Explain Query Plans for SELECT Statements with Table Indexes

Reviewing Postgres Query Performance With Table Indexing – Decoding Explain Query Plans for SELECT Statements with Table Indexes

Take a deeper look into the world of database performance as we explain the ‘EXPLAIN’ command in Postgres, revealing how it unveils the inner workings of query execution.

Join us in deciphering real-life examples where table indexes play a pivotal role in shaping these query plans.

Whether you’re a database enthusiast or a developer striving for efficient data retrieval, this video provides a concise yet comprehensive guide to understanding and leveraging ‘EXPLAIN’ alongside table indexing for supercharged Postgres query performance.

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Consider joining the channel: https://www.youtube.com/@techbits-dougortiz

▬▬▬▬▬▬ 🔗 Additional Info 🔗 ▬▬▬▬▬▬
🔗 GitHub Scripts for this video: https://github.com/DougOr/postgres/tree/main/createdatabases
🔗 Main GitHub Repository for this video: https://github.com/DougOr
🎤 GitHub: https://github.com/illustris-admin/presentations
✍️ Blog: https://dougortiz.blogspot.com/

▬▬▬▬▬▬ 🔗 Related Playlists 🔗 ▬▬▬▬▬▬
▶️ Improving Postgres Query Performance With Table Indexing – https://youtu.be/dlWnDc-AoHg
▶️ YouTube Playlist – Learning Postgres: https://www.youtube.com/playlist?list=PLqp37sVz1Z1OfUoikkO7nuup5ZPO90Wzg
▶️ YouTube Playlist – Postgres Constraints: https://www.youtube.com/playlist?list=PLqp37sVz1Z1OpsBfH_bPFTXDIKfMJxPB-

▬▬▬▬▬▬ 🔗 Related Links 🔗 ▬▬▬▬▬▬
▶️ Postgres Table and Column Constraints: Explained: https://youtu.be/NUjLiIOPo1s
▶️ Postgres CREATE TABLE Made Simple – Quick and Easy Syntax Explained: https://youtu.be/ThIFzeOoEco
▶️ Customize database with character set encoding: https://youtu.be/6MyE8UrlQzs
▶️ Customize database with defaults: https://youtu.be/I4S5CiyfQoc
▶️ Customize database creation with Templates: https://youtu.be/zVFn_lzvnYI
▶️ Customize your database creation with character classification: https://youtu.be/OERdgzDxbYI
▶️ Customize your database creation with collation: https://youtu.be/K69Md-bNGbM
▶️ Unlock the Power of Tablespaces in Postgres: https://www.youtube.com/watch?v=-9xogBIgJvg

▬▬▬▬▬▬ 👋 Contact me 👋 ▬▬▬▬▬▬
➡ LinkedIn: https://www.linkedin.com/in/doug-ortiz-illustris/

▬▬▬▬▬▬ ⏱ Timestamps ⏱ ▬▬▬▬▬▬
00:00 Introduction
00:14 Intro
00:33 Key advantages of Table Indexing
01:14 EXPLAIN related terms
01:51 Query Plan
02:51 Bitmap Heap Scan
03:28 Bitmap Index Scan
04:10 Demo
08:37 Conclusion
08:55 Outro