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ITPUB
ITPUB
Oct 28, 2024 · Databases

Why a MySQL Table Can Hold 100 Million Rows Without Slowing Down

This article explains how MySQL single‑table row limits are determined by primary‑key size, InnoDB page structure, and B+‑tree fan‑out, showing that a table with 100 million rows can still query quickly when the index depth remains low.

B+TreeRow Limitindex
0 likes · 14 min read
Why a MySQL Table Can Hold 100 Million Rows Without Slowing Down
dbaplus Community
dbaplus Community
Jul 30, 2023 · Databases

Why a MySQL Table Can Hold 100 Million Rows Without Slowing Down

This article explains the myth of a 2 million‑row limit for MySQL tables, shows how primary‑key size and InnoDB page structure determine theoretical row limits, details B+‑tree indexing mechanics, calculates practical capacities, and compares B+‑tree with B‑tree performance.

B+TreeDatabase IndexInnoDB
0 likes · 14 min read
Why a MySQL Table Can Hold 100 Million Rows Without Slowing Down