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https://dev.mysql.com/doc/refman/5.7/en/keyring-okv-plugin.html
If two or more MySQL Server instances use the same set of credentials, they can interfere with each other’s functioning. The keyring_okv plugin supports the functions that comprise the standard MySQL Keyring service interface. Keyring operations ... Note The keyring_okv plugin is an extension included in MySQL Enterprise Edition, a commercial ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbd-definition.html
This functionality allows data nodes to make better use of the higher rate of I/O and greater bandwidth available from modern solid-state storage devices and protocols, such as solid-state drives (SSDs) using Non-Volatile Memory Express (NVMe). (NDB ... The [ndbd] and [ndbd default] sections are used to configure the behavior of the cluster's data ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-option-tables.html
Ndb_conflict_fn_epoch: Number of rows that have been found in conflict by NDB$EPOCH() NDB replication conflict detection function. Ndb_conflict_fn_epoch2: Number of rows that have been found in conflict by NDB replication NDB$EPOCH2() conflict ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-restore.html
--remap-column=db.tbl.col:fn:args Command-Line Format --remap-column=string Introduced 5.7.29-ndb-7.6.14 Type String Default Value [none] When used together with --restore-data, this option applies a function to the value of the indicated column.
https://dev.mysql.com/doc/refman/5.7/en/mysqlpump.html
--exclude-routines=routine_list Command-Line Format --exclude-routines=routine_list Type String Do not dump the events in routine_list, which is a list of one or more comma-separated routine (stored procedure or function) names. mysqlpump ...
https://dev.mysql.com/doc/refman/5.7/en/sys-sys-config.html
As an efficiency measure to minimize the number of direct reads from the sys_config table, sys schema functions that use a value from this table check for a user-defined variable with a corresponding name, which is the user-defined variable having ... This table contains sys schema configuration options, one row per ...
https://dev.mysql.com/doc/refman/5.7/en/alter-table-partition-operations.html
ALGORITHM=1 causes the server to use the same key-hashing functions as MySQL 5.1 when computing the placement of rows in partitions; ALGORITHM=2 means that the server employs the key-hashing functions implemented and used by default for new KEY ...
https://dev.mysql.com/doc/refman/5.7/en/compatibility.html
You can also find information about functionality missing from MySQL Server, and how to work around some of the differences. We are not targeting real-time support, although MySQL replication capabilities offer significant functionality. We ... This ...
https://dev.mysql.com/doc/refman/5.7/en/dbug-package.html
The effect of this default is: d: Enable output for all debug macros t: Trace function calls and exits i: Add PID to output lines o,/tmp/mysqld.trace, O,\mysqld.trace: Set the debug output file. f Limit debugging, tracing, and profiling to the list ... The MySQL server and most MySQL clients are compiled with the DBUG package originally created by Fred ...
https://dev.mysql.com/doc/refman/5.7/en/group-by-optimization.html
The most general way to satisfy a GROUP BY clause is to scan the whole table and create a new temporary table where all rows from each group are consecutive, and then use this temporary table to discover groups and apply aggregate functions (if ...