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https://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
It supports the COMPACT and REDUNDANT row formats for InnoDB tables. The features associated with COMPRESSED and DYNAMIC row formats include compressed tables, efficient storage of off-page columns, and index key prefixes up to 3072 bytes ... As ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-performance-midpoint_insertion.html
The goal is to make sure that frequently accessed (“hot”) pages remain in the buffer pool, even as read-ahead and full table scans bring in new blocks that might or might not be accessed afterward. You can control the insertion point in the LRU ... Rather than using a strict LRU algorithm, InnoDB uses a technique to minimize the amount of data that is brought into the buffer pool and never accessed ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-transaction-isolation-levels.html
InnoDB offers all four transaction isolation levels described by the SQL:1992 standard: READ UNCOMMITTED, READ COMMITTED, REPEATABLE READ, and SERIALIZABLE. You can enforce a high degree of consistency with the default REPEATABLE READ level, for ...
https://dev.mysql.com/doc/refman/5.7/en/key-space.html
This is for the worst case when all keys are inserted in sorted order and the table does not have any compressed keys. In MyISAM tables, you can also prefix compress numbers by specifying the PACK_KEYS=1 table option when you create the table. You ...
https://dev.mysql.com/doc/refman/5.7/en/ldml-rules.html
Orderings are given as a set of rules that begin with a reset rule that establishes an anchor point, followed by shift rules that indicate how characters sort relative to the anchor point. The following table shows the correspondence between ...This ...
https://dev.mysql.com/doc/refman/5.7/en/loadable-function-reference.html
The following table lists each function that is loadable at runtime and provides a short description of each one. For a table listing built-in functions and operators, see Section 12.1, “Built-In Function and Operator Reference” For general ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-api-definition.html
If no HostName is specified in a given [mysql] or [api] section of the config.ini file, then an SQL or API node may connect using the corresponding “slot” from any host which can establish a network connection to the management server host ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-mysqld.html
(We often refer to a mysqld process running in this manner as an SQL node.) It is fully aware of all cluster data nodes as well as their status, and establishes connections to all data nodes. If mysqld is started with only the --ndbcluster option, ...To be used with NDB Cluster, mysqld needs to be built with support for the NDB storage engine, as it is in the precompiled binaries available from ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-top.html
This user must be able to read tables in the ndbinfo database (ndb_top uses information from ndbinfo.cpustat and related tables). The following table includes all options that are specific to the NDB Cluster program ndb_top. ndb_top displays ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndbd.html
The ndbd binary provides the single-threaded version of the process that is used to handle all the data in tables employing the NDBCLUSTER storage engine. Options that can be used with ndbd are shown in the following table. Important This option ...