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https://dev.mysql.com/doc/ndbapi/en/ndb-examples-event-handling.html
#include <NdbApi.hpp> // Used for cout #include <stdio.h> #include <iostream> #include <unistd.h> #ifdef VM_TRACE #include <my_global.h> #endif #ifndef assert #include <assert.h> #endif /** * Assume that there is a table which is being updated by * ...The source code for this program may be found in the NDB Cluster source tree, in the file ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-secondary-indexes.html
This program illustrates how to use secondary indexes in the NDB API. The source code for this example may be found in the NDB Cluster source tree, in storage/ndb/ndbapi-examples/ndbapi_simple_index/main.cpp.
https://dev.mysql.com/doc/ndbapi/en/ndb-nodejs-api-mynode.html
You can get the mapping either by name, or by using an existing mapping: TableMapping(tableName); TableMapping(tableMapping); openSession(properties, mappings, Function(err, Session) callback); Connect to the data source and get a Session in the ...
https://dev.mysql.com/doc/ndbapi/en/overview-ndb-record-structure.html
The NDB storage engine used by NDB Cluster is a relational database engine storing records in tables as with other relational database systems. When a new table is created, its attribute schema is specified for the table as a whole, and thus each ...Again, this is typical of relational databases, and NDB is no different in this ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-changelog-13-2-4-0-0.html
For more information on the variables added and removed in MySQL 8, see Server and Status Variables and Options Added, Deprecated, or Removed in MySQL 8.0 The following metrics were added for MySQL 8 support: Sys Schema Table Metadata Lock Waits ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-connections-pages-database-processes.html
Table 3.1 Database Processes Dashboard Name Description Thread ID The thread ID. Full Scan The number of full table scans performed by the current statement. Tmp Disk Tables The number of internal on-disk temporary tables created by the current ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-connections-pages-locking.html
Table 3.2 InnoDB Row Lock Waits Dashboard Name Description Waiting Lock ID The ID of the waiting lock. Table Metadata Lock Waits This dashboard displays which sessions are blocked waiting on metadata locks, and what is blocking them. Table 3.3 Table ... InnoDB Row Lock Waits Displays the InnoDB locks transactions are waiting ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-metric-sysschema-processes-category.html
Table 6.37 Sys Schema Processes Metrics NameDescriptionCommand The command type the process is running. Full Scan Did the currently running SQL statement for this process cause a full table scan? YES/NO. Tmp Disk Tables On-disk temporary tables ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-performance-page-database-file-io.html
Table 5.2 Database File I/O By Host NameDescription Host The host from which the client connected. Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for background threads and are reported with a ...
https://dev.mysql.com/doc/x-devapi-userguide/en/index.html
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