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https://dev.mysql.com/doc/refman/8.0/en/gis-wkb-functions.html
Prior to MySQL 8.0, these functions also accepted geometry objects as returned by the functions in Section 14.16.5, “MySQL-Specific Functions That Create Geometry Values”. These functions are available for creating geometries from WKB values: ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/json-creation-functions.html
Certain special characters are escaped with backslashes per the escape sequences shown in Table 14.23, “JSON_UNQUOTE() Special Character Escape Sequences”. The functions listed in this section compose JSON values from component elements.
https://dev.mysql.com/doc/refman/8.0/en/grant-tables.html
This change of grant table storage engine enables an accompanying change to the behavior of account-management statements such as CREATE USER or GRANT. For example, the 'root'@'localhost' account created during MySQL installation has a row in the ...
https://dev.mysql.com/doc/refman/8.0/en/gis-wkt-functions.html
These functions are available for creating geometries from WKT values: ST_GeomCollFromText(wkt [, srid [, options]]), ST_GeometryCollectionFromText(wkt [, srid [, options]]), ST_GeomCollFromTxt(wkt [, srid [, options]]) Constructs a ... These ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/mysql-cluster-options-variables.html
--ndb-default-column-format=[FIXED|DYNAMIC] Command-Line Format --ndb-default-column-format={FIXED|DYNAMIC} System Variable ndb_default_column_format Scope Global Dynamic Yes SET_VAR Hint Applies No Type Enumeration Default Value FIXED Valid Values ...(It is neither necessary nor desirable to use this option together with --initialize.) --ndb-allow-copying-alter-table=[ON|OFF] Command-Line Format --ndb-allow-copying-alter-table[={OFF|ON}] System Variable ndb_allow_copying_alter_table Scope Global, Session Dynamic Yes SET_VAR Hint Applies No Type Boolean Default Value ON Let ALTER TABLE and other DDL statements use copying operations on NDB ...
https://dev.mysql.com/doc/refman/8.0/en/analyze-table.html
The sampling-rate value in the HISTOGRAM column of the Information Schema COLUMN_STATISTICS table can be queried to determine the fraction of data that was sampled to create the histogram. row *************************** Table: employees.employees ...ANALYZE [NO_WRITE_TO_BINLOG | LOCAL] TABLE tbl_name UPDATE HISTOGRAM ON col_name [, col_name] ...MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-tables-table.html
Prior to MySQL 8.0.16, CREATE_OPTIONS shows the ENCRYPTION clause specified for tables created in file-per-table tablespaces. The encryption clause is not shown for tables created in general tablespaces. When creating a table with strict mode ...The ...To always retrieve the latest statistics directly from storage engines, set information_schema_stats_expiry ...
https://dev.mysql.com/doc/refman/8.0/en/check-table.html
With FOR UPGRADE, the server checks each table to determine whether there have been any incompatible changes in any of the table's data types or indexes since the table was created. option: { FOR UPGRADE | QUICK | FAST | MEDIUM | EXTENDED | CHANGED ...The last row has a Msg_type value of status and the Msg_text normally should be ...