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https://dev.mysql.com/doc/refman/5.7/en/performance-schema-prepared-statements-instances-table.html
OWNER_OBJECT_TYPE, OWNER_OBJECT_SCHEMA, OWNER_OBJECT_NAME For a prepared statement created by a client session, these columns are NULL. These columns can be used to find stored programs that leak prepared statements: SELECT OWNER_OBJECT_TYPE, ...
https://dev.mysql.com/doc/refman/5.7/en/row-constructor-optimization.html
row *************************** id: 1 select_type: SIMPLE table: t1 partitions: NULL type: ref possible_keys: PRIMARY key: PRIMARY key_len: 4 ref: const rows: 3 filtered: 100.00 Extra: Using where In such cases, rewriting the row constructor ...For ...
https://dev.mysql.com/doc/refman/5.7/en/show-create-table.html
row *************************** Table: t Create Table: CREATE TABLE `t` ( `id` int(11) NOT NULL AUTO_INCREMENT, `s` char(60) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SHOW CREATE TABLE quotes table and column names ...
https://dev.mysql.com/doc/refman/5.7/en/spatial-type-overview.html
MySQL has spatial data types that correspond to OpenGIS classes. The basis for these types is described in Section 11.4.2, “The OpenGIS Geometry Model”. Some spatial data types hold single geometry values: GEOMETRY POINT LINESTRING POLYGON ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-is-consumer-enabled.html
Returns YES or NO to indicate whether a given Performance Schema consumer is enabled, or NULL if the argument is NULL. (Prior to MySQL 5.7.28, the function returns NULL if the argument is not a valid consumer name.) This function accounts for the ...If the argument is not a valid consumer name, an error ...
https://dev.mysql.com/doc/refman/5.7/en/create-server.html
CREATE SERVER server_name FOREIGN DATA WRAPPER wrapper_name OPTIONS (option [, option] ...) option: { HOST character-literal | DATABASE character-literal | USER character-literal | PASSWORD character-literal | SOCKET character-literal | OWNER ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-added-deprecated-removed-7-5.html
Parameters Introduced in NDB 7.5 The following node configuration parameters have been added in NDB 7.5. Parameters Deprecated in NDB 7.5 The following node configuration parameters have been deprecated in NDB 7.5. Parameters Removed in NDB 7.5 The ...
https://dev.mysql.com/doc/refman/5.7/en/my-print-defaults.html
my_print_defaults displays the options that are present in option groups of option files. The output indicates what options are used by programs that read the specified option groups. For example, the mysqlcheck program reads the [mysqlcheck] and ...
https://dev.mysql.com/doc/refman/5.7/en/option-files.html
Most MySQL programs can read startup options from option files (sometimes called configuration files). Option files provide a convenient way to specify commonly used options so that they need not be entered on the command line each time you run a ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-mgmd.html
The management server is the process that reads the cluster configuration file and distributes this information to all nodes in the cluster that request it. Management clients can connect to the management server and check the cluster's status.