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25.2.6.3 NDB and InnoDB Feature Usage Summary

When comparing application feature requirements to the capabilities ofInnoDB withNDB, some are clearly more compatible with one storage engine than the other.

The following table lists supported application features according to the storage engine to which each feature is typically better suited.

Table 25.3 Supported application features according to the storage engine to which each feature is typically bettersuited

Preferred application requirements forInnoDBPreferred application requirements forNDB
  • Foreign keys

    Note

    NDB Cluster 9.2 supports foreign keys

  • Full table scans

  • Very large databases, rows, or transactions

  • Transactions other thanREAD COMMITTED

  • Write scaling

  • 99.999% uptime

  • Online addition of nodes and online schema operations

  • Multiple SQL and NoSQL APIs (seeNDB Cluster APIs: Overview and Concepts)

  • Real-time performance

  • Limited use ofBLOB columns

  • Foreign keys are supported, although their use may have an impact on performance at high throughput