Why InnoDB Secondary Indexes Use the Primary Key as an Indirection?

This content originally appeared on Level Up Coding - Medium and was authored by Rahul Arora

How MySQL InnoDB uses the primary key as an indirection in secondary indexes and what it means for query performance.

This content originally appeared on Level Up Coding - Medium and was authored by Rahul Arora

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APA

Rahul Arora | Sciencx (2025-07-31T15:53:01+00:00) Why InnoDB Secondary Indexes Use the Primary Key as an Indirection?. Retrieved from https://www.scien.cx/2025/07/31/why-innodb-secondary-indexes-use-the-primary-key-as-an-indirection/

MLA

" » Why InnoDB Secondary Indexes Use the Primary Key as an Indirection?." Rahul Arora | Sciencx - Thursday July 31, 2025, https://www.scien.cx/2025/07/31/why-innodb-secondary-indexes-use-the-primary-key-as-an-indirection/

HARVARD

Rahul Arora | Sciencx Thursday July 31, 2025 » Why InnoDB Secondary Indexes Use the Primary Key as an Indirection?., viewed ,<https://www.scien.cx/2025/07/31/why-innodb-secondary-indexes-use-the-primary-key-as-an-indirection/>

VANCOUVER

Rahul Arora | Sciencx - » Why InnoDB Secondary Indexes Use the Primary Key as an Indirection?. [Internet]. [Accessed ]. Available from: https://www.scien.cx/2025/07/31/why-innodb-secondary-indexes-use-the-primary-key-as-an-indirection/

CHICAGO

" » Why InnoDB Secondary Indexes Use the Primary Key as an Indirection?." Rahul Arora | Sciencx - Accessed . https://www.scien.cx/2025/07/31/why-innodb-secondary-indexes-use-the-primary-key-as-an-indirection/

IEEE

" » Why InnoDB Secondary Indexes Use the Primary Key as an Indirection?." Rahul Arora | Sciencx [Online]. Available: https://www.scien.cx/2025/07/31/why-innodb-secondary-indexes-use-the-primary-key-as-an-indirection/. [Accessed: ]

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» Why InnoDB Secondary Indexes Use the Primary Key as an Indirection? | Rahul Arora | Sciencx | https://www.scien.cx/2025/07/31/why-innodb-secondary-indexes-use-the-primary-key-as-an-indirection/ |

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