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## 26.4 INFORMATION_SCHEMA InnoDB Tables 

This section provides table definitions for INFORMATION_SCHEMA InnoDB  tables. For related information and examples, see Section 15.15, “InnoDB INFORMATION_SCHEMA Tables” . 

INFORMATION_SCHEMA InnoDB  tables can be used to monitor ongoing InnoDB  activity, to detect inefficiencies before they turn into issues, or to troubleshoot performance and capacity issues. As your database becomes bigger and busier, running up against the limits of your hardware capacity, you monitor and tune these aspects to keep the database running smoothly. 

## 26.4.1 INFORMATION_SCHEMA InnoDB Table Reference 

The following table summarizes INFORMATION_SCHEMA  InnoDB tables. For greater detail, see the individual table descriptions. 

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