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     <h3 class="title">
      <a name="mysql-cluster-information-schema-tables">
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      25.6.18 INFORMATION_SCHEMA Tables for NDB Cluster
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  <p>
   Two
   <a class="link" href="information-schema.html" title="Chapter 28 INFORMATION_SCHEMA Tables">
    <code class="literal">
     INFORMATION_SCHEMA
    </code>
   </a>
   tables provide
      information that is of particular use when managing an NDB
      Cluster. The
   <a class="link" href="information-schema-files-table.html" title="28.3.15 The INFORMATION_SCHEMA FILES Table">
    <code class="literal">
     FILES
    </code>
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   table provides
      information about NDB Cluster Disk Data files (see
   <a class="xref" href="mysql-cluster-disk-data-objects.html" title="25.6.11.1 NDB Cluster Disk Data Objects">
    Section 25.6.11.1, “NDB Cluster Disk Data Objects”
   </a>
   ). The
   <a class="link" href="information-schema-ndb-transid-mysql-connection-map-table.html" title="28.3.18 The INFORMATION_SCHEMA ndb_transid_mysql_connection_map Table">
    <code class="literal">
     ndb_transid_mysql_connection_map
    </code>
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   table provides a mapping between transactions, transaction
      coordinators, and API nodes.
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   Additional statistical and other data about NDB Cluster
      transactions, operations, threads, blocks, and other aspects of
      performance can be obtained from the tables in the
   <a class="link" href="mysql-cluster-ndbinfo.html" title="25.6.17 ndbinfo: The NDB Cluster Information Database">
    <code class="literal">
     ndbinfo
    </code>
   </a>
   database. For
      information about these tables, see
   <a class="xref" href="mysql-cluster-ndbinfo.html" title="25.6.17 ndbinfo: The NDB Cluster Information Database">
    Section 25.6.17, “ndbinfo: The NDB Cluster Information Database”
   </a>
   .
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