Dba: Why is MySQL not using the index with the higher cardinality?

Channel:
Peter Schneider
Subscribers:
4,110
Published on ● Video Link: https://www.youtube.com/watch?v=9mXIXyF8ZnM


Duration: 0:00
3 views
2

Why is MySQL not using the index with the higher cardinality?
I hope you found a solution that worked for you :)
The Content is licensed under (https://meta.stackexchange.com/help/licensing) CC BY-SA.
Attention! This video does always use the same license as the source!
Thanks to all those great people for their contributions!

(dba.stackexchange.com/users/37011/rayhan-muktader)Rayhan Muktader
(dba.stackexchange.com/users/877/rolandomysqldba)RolandoMySQLDBA
(dba.stackexchange.com/users/33041/alexandros)Alexandros
A special thanks goes out to the (dba.stackexchange.com/questions/63047/why-is-mysql-not-using-the-index-with-the-higher-cardinality)Stackexchange community

I wish you all a wonderful day! Stay safe :)
If anything is off, please write me at peter D.O.T schneider A.T ois42.de

mysql myisam index mysql-5



Other Videos By Peter Schneider


2024-12-29Mathematica: Group labels in BoxWhiskerChart
2024-12-29Salesforce: Gack Id -1217291834 when installing the package
2024-12-29Unix: Bash script to uncomment lines with leading spaces on a file with specific pattern
2024-12-29Codereview: A PCG-based random number generator that is interchangeable with System.Random
2024-12-29Mount needs manual action after each reboot for it to work
2024-12-29Apple: How to run an installed application as an admin?
2024-12-29Do I really have to have my ISP's router?
2024-12-29With native bash in Linux, how to output K as in Kubuntu?
2024-12-29Unix: Hundreds of strange connections in iftop
2024-12-29Dba: Set simple recovery mode and shrink log files for all user created databases
2024-12-28Dba: Why is MySQL not using the index with the higher cardinality?
2024-12-27Warning in perl useless use of private variable in void context
2024-12-27Ethereum: How to set correct EVM version, for Solidity code, on remix.ethereum.org
2024-12-27Why does floating-point output differ across platforms?
2024-12-27Apple: Create a new space using a keyboard shortcut
2024-12-27Codereview: Find sum of K largest elements in an array
2024-12-27Codereview: The answer to life, the universe, and Project Euler
2024-12-27Tex: expl3: fully expandable reformatting of comma-delimited text
2024-12-27Apple: Is there a way to enable "Find my Mac" to locate your computer but not remotely wipe the d...
2024-12-27Arduino: Receiving garbage value when sending a Json object from Arduino Uno to NodeMCU using Sof...
2024-12-27Ethereum: Foundry access keystore accounts from script