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https://dev.mysql.com/doc/refman/8.0/en/spatial-index-optimization.html
MySQL permits creation of SPATIAL indexes on NOT NULL geometry-valued columns (see Section 13.4.10, “Creating Spatial Indexes”). The optimizer checks the SRID attribute for indexed columns to determine which spatial reference system (SRS) to ...
https://dev.mysql.com/doc/refman/8.0/en/spatial-operator-functions.html
This function processes geometry collections by extracting all vertex points of all components of the collection, creating a MultiPoint value from them, and computing its convex hull. OpenGIS proposes a number of functions that can produce ...
https://dev.mysql.com/doc/refman/8.0/en/start-group-replication.html
The authentication plugin used by default when you create user accounts in MySQL 8 is the caching SHA-2 authentication plugin (caching_sha2_password). START GROUP_REPLICATION [USER='user_name'] [, PASSWORD='user_pass'] [, ...
https://dev.mysql.com/doc/refman/8.0/en/starting-server-troubleshooting.html
You can create a my.cnf file and specify startup options for the engines that you plan to use. This section provides troubleshooting suggestions for problems starting the server. For additional suggestions for Windows systems, see Section 2.3.5, ...
https://dev.mysql.com/doc/refman/8.0/en/starting-server.html
Such problems can occur if you neglected to create the grant tables by initializing the data directory before proceeding to this step, or if you ran the command that initializes the data directory without the --user option. This section describes ...
https://dev.mysql.com/doc/refman/8.0/en/statement-caching.html
Metadata changes occur for DDL statements such as those that create, drop, alter, rename, or truncate tables, or that analyze, optimize, or repair tables. For certain statements that a client might execute multiple times during a session, the ...
https://dev.mysql.com/doc/refman/8.0/en/statement-labels.html
[begin_label:] BEGIN [statement_list] END [end_label] [begin_label:] LOOP statement_list END LOOP [end_label] [begin_label:] REPEAT statement_list UNTIL search_condition END REPEAT [end_label] [begin_label:] WHILE search_condition DO statement_list ...
https://dev.mysql.com/doc/refman/8.0/en/static-format.html
Creating a table having such columns with an explicit ROW_FORMAT clause does not raise an error or warning; the format specification is ignored. It is used when the table contains no variable-length columns (VARCHAR, VARBINARY, BLOB, or TEXT). Of ...
https://dev.mysql.com/doc/refman/8.0/en/sys-schema-object-index.html
The following tables list sys schema objects and provide a short description of each one.
https://dev.mysql.com/doc/refman/8.0/en/sys-schema.html
The MySQL upgrade procedure produces an error if a sys schema exists but has no version view, on the assumption that absence of this view indicates a user-created sys schema. MySQL 8.0 includes the sys schema, a set of objects that helps DBAs and ...