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https://dev.mysql.com/doc/internals/en/connection-phase.html
At this stage client can request SSL connection, in which case an SSL communication channel is established before client sends its authentication response. Note In case the server sent a ERR packet as first packet it will happen before the client ...
https://dev.mysql.com/doc/internals/en/optimizer-code.html
This diagram shows the structure of the function handle_select() in /sql/sql_select.cc (the server code that handles a query): handle_select() mysql_select() JOIN::prepare() setup_fields() JOIN::optimize() /* optimizer is from here ... Thus you can ...*/ optimize_cond() opt_sum_query() make_join_statistics() get_quick_record_count() choose_plan() /* Find the best way to access tables */ /* as specified by the ...
https://dev.mysql.com/doc/internals/en/store-lock.html
Usage The following example is from the ARCHIVE storage engine: /* Below is an example of how to setup row level locking. Synopsis virtual THR_LOCK_DATA ** store_lock ( thd, to, lock_type); THD * thd ; THR_LOCK_DATA ** to ; enum thr_lock_type ...
https://dev.mysql.com/doc/internals/en/support-files-directory.html
They include example my.cnf files one can use as a default setup for MySQL. The files here are for building ("making") MySQL given a package manager, compiler, linker, and other build tools. The support files provide instructions and switches for ...
https://dev.mysql.com/doc/internals/en/wait-condition.html
Like 'sleep', this method can also be used, when all but one thread reach a blocked state. If you are able to detect that the threads are in their blocked state by using SQL statements, then you can use this method. The remaining thread runs the ...
https://dev.mysql.com/doc/internals/en/x-protocol-notices-notices.html
:= 1, but can also be done via: stored procedures triggers connection setup @@character_set_server Note Part of this functionality is provided in the MySQL C/S Protocol via WL#4797 SESSION_SYSVAR_TRACKER and the initial handshake packet. Global ...
https://dev.mysql.com/doc/mysql-installer/en/server-type-network.html
Server Configuration Type Choose the MySQL server configuration type that describes your setup. This setting defines the amount of system resources (memory) to assign to your MySQL server instance. Development: A computer that hosts many other ...
https://dev.mysql.com/doc/mysqld-version-reference/en/options-variables.html
The following table shows all the options and variables available in MySQL Server. Intr: The version or versions in which the item was introduced. Depr: The version or versions in which the item was deprecated. Removed: The version or versions in ...
https://dev.mysql.com/doc/mysqld-version-reference/en/optvar-changes-8-0.html
The following list details the changes to specific options and variables within MySQL 8.0.
https://dev.mysql.com/doc/ndbapi/en/ndb-error-codes-application-error.html
The following list enumerates all NDB errors of type AE (Application error). Having a table without primary key uses an autoincremented hidden key, i.e. NDB error code 5002 MySQL error DMEC Error message The process has wrong type. NDB error code ...