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https://dev.mysql.com/doc/refman/8.4/en/resource-groups.html
MySQL supports creation and management of resource groups, and permits assigning threads running within the server to particular groups so that threads execute according to the resources available to the group. Group attributes enable control over ...
https://dev.mysql.com/doc/refman/8.4/en/set-character-set.html
SET {CHARACTER SET | CHARSET} {'charset_name' | DEFAULT} This statement maps all strings sent between the server and the current client with the given mapping. SET CHARACTER SET sets three session system variables: character_set_client and ...
https://dev.mysql.com/doc/refman/8.4/en/set-names.html
SET NAMES {'charset_name' [COLLATE 'collation_name'] | DEFAULT} This statement sets the three session system variables character_set_client, character_set_connection, and character_set_results to the given character set. Setting ...
https://dev.mysql.com/doc/refman/8.4/en/show-collation.html
SHOW COLLATION [LIKE 'pattern' | WHERE expr] This statement lists collations supported by the server. By default, the output from SHOW COLLATION includes all available collations. The LIKE clause, if present, indicates which collation names to ...
https://dev.mysql.com/doc/refman/8.4/en/show-create-database.html
SHOW CREATE {DATABASE | SCHEMA} [IF NOT EXISTS] db_name Shows the CREATE DATABASE statement that creates the named database. If the SHOW statement includes an IF NOT EXISTS clause, the output too includes such a clause. row ...
https://dev.mysql.com/doc/refman/8.4/en/show-create-table.html
SHOW CREATE TABLE tbl_name Shows the CREATE TABLE statement that creates the named table. To use this statement, you must have some privilege for the table. row *************************** Table: t Create Table: CREATE TABLE `t` ( `id` int NOT NULL ...
https://dev.mysql.com/doc/refman/8.4/en/show.html
SHOW has many forms that provide information about databases, tables, columns, or status information about the server. The pattern is useful for restricting statement output to matching values. Several SHOW statements also accept a WHERE clause ...
https://dev.mysql.com/doc/refman/8.4/en/sql-prepared-statements.html
Using prepared statements with placeholders for parameter values has the following benefits: Less overhead for parsing the statement each time it is executed. Typically, database applications process large volumes of almost-identical statements, ...
https://dev.mysql.com/doc/refman/8.4/en/structured-system-variables.html
A structured variable differs from a regular system variable in two respects: Its value is a structure with components that specify server parameters considered to be closely related. There might be several instances of a given type of structured ...
https://dev.mysql.com/doc/refman/8.4/en/sys-schema-object-index.html
The following tables list sys schema objects and provide a short description of each one.