Tagged articles

row size limit

3 articles · Page 1 of 1

Nov 18, 2024 · Databases

How Many Rows Can a Single MySQL SELECT Return? Exploring max_allowed_packet and Row Size Limits

This article investigates how many records a plain SELECT * query can return in MySQL 8 by examining max_allowed_packet, packet definitions, single‑row size limits, column count restrictions, InnoDB row formats, and practical experiments that reveal the real constraints on query result size.

InnoDBMySQLSQL query limit

0 likes · 14 min read

How Many Rows Can a Single MySQL SELECT Return? Exploring max_allowed_packet and Row Size Limits

dbaplus Community

Oct 9, 2024 · Databases

How Many Rows Can a Single MySQL Query Return? Exploring Packet and Row Size Limits

This article investigates the theoretical maximum number of records a MySQL SELECT can return by examining max_allowed_packet, row‑size limits, column count, page‑size constraints, row‑overflow mechanisms, and practical experiments that reveal how these factors together bound query results.

Database ArchitectureMySQLSQL query limits

0 likes · 13 min read

How Many Rows Can a Single MySQL Query Return? Exploring Packet and Row Size Limits

Aikesheng Open Source Community

Feb 27, 2020 · Databases

Understanding MySQL Row Size Limits: Server and InnoDB Layer Calculations

This article explains MySQL's row size restrictions at both the Server and InnoDB layers, detailing the calculation methods, relevant source code paths, error messages, and practical guidelines for ensuring total record length stays within the 65535‑byte server limit and the 8126‑byte InnoDB limit.

Database LimitsInnoDBMySQL

0 likes · 12 min read

Understanding MySQL Row Size Limits: Server and InnoDB Layer Calculations