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https://dev.mysql.com/doc/refman/5.7/en/innodb-parameters.html
innodb_default_row_format Command-Line Format --innodb-default-row-format=value System Variable innodb_default_row_format Scope Global Dynamic Yes Type Enumeration Default Value DYNAMIC Valid Values REDUNDANTCOMPACTDYNAMIC The ... System variables ...
https://dev.mysql.com/doc/refman/5.7/en/document-store-setting-up.html
mysqlxsys@localhost User Account Installing the X Plugin creates a mysqlxsys@localhost user account. If, for some reason, creating the user account fails, the X Plugin installation fails, too. Here is an explanation on what the mysqlxsys@localhost ...The mysqlxsys@localhost account is used by the X Plugin for authentication of external users against the MySQL account system and for killing sessions when requested by a privileged ...
https://dev.mysql.com/doc/refman/5.7/en/sys-create-synonym-db.html
Given a schema name, this procedure creates a synonym schema containing views that refer to all the tables and views in the original schema. This can be used, for example, to create a shorter name by which to refer to a schema with a long name ...
https://dev.mysql.com/doc/refman/5.7/en/error-creating-innodb.html
Initialization Problems If something goes wrong when InnoDB attempts to initialize its tablespace or its log files, delete all files created by InnoDB: all ibdata files and all ib_logfile files. If you already created some InnoDB tables, also delete ... The troubleshooting steps for InnoDB I/O problems depend on when the problem occurs: during startup of the MySQL server, or during normal operations when a DML or DDL statement fails due to problems at the file system ...
https://dev.mysql.com/doc/refman/5.7/en/gis-mysql-specific-functions.html
MySQL provides a set of useful nonstandard functions for creating geometry values. GeometryCollection() with no arguments is permitted as a way to create an empty geometry. The functions described in this section are MySQL extensions to the OpenGIS ...
https://dev.mysql.com/doc/refman/5.7/en/making-windows-dumps.html
The PDB file contains more detailed information about mysqld and other tools that enables more detailed trace and dump files to be created. Program Database files (with suffix pdb) are included in the ZIP Archive Debug Binaries & Test Suite ...
https://dev.mysql.com/doc/refman/5.7/en/no-login-pluggable-authentication.html
(For a discussion of concepts involved in proxying, see Section 6.2.14, “Proxy Users”.) An account that authenticates using mysql_no_login may be used as a proxied user for proxy accounts: -- create proxied account CREATE USER ...Use cases for ... The mysql_no_login server-side authentication plugin prevents all client connections to any account that uses ...
https://dev.mysql.com/doc/refman/5.7/en/gis-wkb-functions.html
These functions also accept geometry objects as returned by the functions in Section 12.16.5, “MySQL-Specific Functions That Create Geometry Values”. These functions take as arguments a BLOB containing a Well-Known Binary (WKB) representation ...
https://dev.mysql.com/doc/refman/5.7/en/making-trace-files.html
If the mysqld server does not start or it crashes easily, you can try to create a trace file to find the problem. To do this, you must have a mysqld that has been compiled with debugging support. If the version number ends with -debug, it is ...
https://dev.mysql.com/doc/refman/5.7/en/gis-wkt-functions.html
These functions take as arguments a Well-Known Text (WKT) representation and, optionally, a spatial reference system identifier (SRID). ST_GeomFromText() accepts a WKT value of any geometry type as its first argument. Other functions provide ...