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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndb-innodb-engines.html
For those unaccustomed to working with NDB, unexpected behaviors can arise due to its distributed nature with regard to transactions, foreign keys, table limits, and other characteristics. The NDB storage engine is implemented using a distributed, ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-nodes-groups.html
However, it is also possible to employ user-defined partitioning with NDBCLUSTER tables. This is subject to the following limitations: Only the KEY and LINEAR KEY partitioning schemes are supported in production with NDB tables. The maximum number ... This section discusses the manner in which NDB Cluster divides and duplicates data for ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-rolling-restart.html
To free memory previously allocated to a table by successive INSERT and DELETE operations, for re-use by other NDB Cluster tables. Other parameters require that the data node be stopped completely using the management client STOP command, then ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-installer-workflow.html
With the Manual type selected, MySQL Installer uses the default value of 16M for the tmp_table_size variable assignment. The group must be established on Windows before you can select it from the list. Alternatively, you can configure MySQL server ... MySQL Installer provides a wizard-like tool to install and configure new MySQL products for ...
https://dev.mysql.com/doc/refman/5.7/en/obtaining-plugin-information.html
There are several ways to determine which plugins are installed in the server: The Information Schema PLUGINS table contains a row for each loaded plugin. The mysql.plugin table shows which plugins have been registered with INSTALL PLUGIN. The ...
https://dev.mysql.com/doc/refman/5.7/en/optimize-blob.html
Do not use this technique when the entire table is compressed by InnoDB or MyISAM. For a table with several columns, to reduce memory requirements for queries that do not use the BLOB column, consider splitting the BLOB column into a separate table ... When storing a large blob containing textual data, consider compressing it ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-linear-hash.html
MySQL also supports linear hashing, which differs from regular hashing in that linear hashing utilizes a linear powers-of-two algorithm whereas regular hashing employs the modulus of the hashing function's value. We call this value V; it can be ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-build-configuration.html
If you install MySQL over a previous installation that was configured without the Performance Schema (or with an older version of the Performance Schema that has missing or out-of-date tables). One indication of this issue is the presence of ...It ...
https://dev.mysql.com/doc/refman/5.7/en/pluggable-storage.html
Unplugging a Storage Engine To unplug a storage engine, use the UNINSTALL PLUGIN statement: UNINSTALL PLUGIN example; If you unplug a storage engine that is needed by existing tables, those tables become inaccessible, but are still present on disk ... MySQL Server uses a pluggable storage engine architecture that enables storage engines to be loaded into and unloaded from a running MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/problems-with-float.html
The correct way to do floating-point number comparison is to first decide on an acceptable tolerance for differences between the numbers and then do the comparison against the tolerance value. Suppose that you execute the following statements: ...