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https://dev.mysql.com/doc/internals/en/event-structure.html
This section describes the general properties of events as byte sequences as they are written to binary or relay log files. Some details of event structure are invariant across binary log versions; others depend on the version. Within any given ...
https://dev.mysql.com/doc/internals/en/guided-tour-os-specific.html
netware NEW-RPMS os2 VC++Files A few words are in order about the directories that contain files which relate to a particular environment that MySQL can run in. The netware directory contains a set of files for interfacing with netware, and anyone ...
https://dev.mysql.com/doc/internals/en/join-buffer-size.html
Basic information about the join buffer cache: The size of each join buffer is determined by the value of the join_buffer_size system variable. This buffer is used only when the join is of type ALL or index (in other words, when no possible keys ...
https://dev.mysql.com/doc/internals/en/logging-transactions-rules-for-create-table-select.html
(R-log-create-select-statement-format) If logging in statement format (that is, one of the following holds: (1) @@SESSION.binlog_format=STATEMENT; (2) @@SESSION.binlog_format=MIXED and statement is safe): If there is an error, do not write anything.
https://dev.mysql.com/doc/internals/en/multi-resultset.html
01 31 00 0c 3f 00 01 00 00 00 08 81 00 00 00 00 .1..?........... 05 00 00 03 fe 00 00 0a 00 02 00 00 04 01 31 05 ..............1. see the EOF_Packet: 05 00 00 03 fe 00 00 0a 00 with its status-flag being 0a the 2nd resultset: 01 00 00 06 01 17 00 00 ...
https://dev.mysql.com/doc/internals/en/myisam-dynamic-data-file-layout.html
A record can be put in one or more frames, also called the record "parts" or "blocks". The sense of the frames is to allow reusage of the space of deleted records. Starting with an empty data file, records are put in a single frame each, unless a ...
https://dev.mysql.com/doc/internals/en/ndb-directory.html
We generally use the term "ndb" when referring to the storage engine, and the term "MySQL Cluster" when referring to the combination of the storage engine and the rest of the MySQL facilities.
https://dev.mysql.com/doc/internals/en/optimizer-joins-access-methods.html
Bad join choices can cause more damage than bad choices in single-table searches, so MySQL developers have spent proportionally more time making sure that the tables in a query are joined in an optimal order and that optimal access methods (often ...
https://dev.mysql.com/doc/internals/en/privilege-checking.html
In complex scenarios where the query uses SQL SECURITY DEFINER views or stored routines, it may be that a user is denied from seeing the trace of its query because it lacks some extra privileges on those objects. In that case, the trace will be ...
https://dev.mysql.com/doc/internals/en/records-in-range.html
Purpose For the given range how many records are estimated to be in this range. Synopsis virtual ha_rows records_in_range ( inx, min_key, max_key); uint inx ; key_range * min_key ; key_range * max_key ; Description This is the records_in_range ...