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https://dev.mysql.com/doc/refman/5.7/en/set-variable.html
variable: { user_var_name | param_name | local_var_name | {GLOBAL | @@GLOBAL.} system_var_name | [SESSION | @@SESSION. | @@] system_var_name } SET syntax for variable assignment enables you to assign values to different types of variables that ...
https://dev.mysql.com/doc/refman/5.7/en/show-procedure-status.html
To use either statement, you must be the owner of the routine or have SELECT access to the mysql.proc table. Stored routine information is also available from the INFORMATION_SCHEMA PARAMETERS and ROUTINES tables. See Section 24.3.15, “The ...
https://dev.mysql.com/doc/refman/5.7/en/show-variables.html
System variable information is also available from these sources: Performance Schema tables. SHOW [GLOBAL | SESSION] VARIABLES [LIKE 'pattern' | WHERE expr] Note The value of the show_compatibility_56 system variable affects the information ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-thread-trx-info.html
The information includes the current transaction, and the statements it has already executed, derived from the Performance Schema events_transactions_current and events_statements_history tables. The value should match the THREAD_ID column from some ... Returns a JSON object containing information about a given ...
https://dev.mysql.com/doc/refman/5.7/en/sys-schema-auto-increment-columns.html
This view indicates which tables have AUTO_INCREMENT columns and provides information about those columns, such as the current and maximum column values and the usage ratio (ratio of used to possible values). Tables in these schemas are excluded ...
https://dev.mysql.com/doc/refman/5.7/en/sys-schema-redundant-indexes.html
The schema_redundant_indexes view has these columns: table_schema The schema that contains the table. The x$schema_flattened_keys view has these columns: table_schema The schema that contains the table. The schema_redundant_indexes view displays ...
https://dev.mysql.com/doc/refman/5.7/en/thread-pool-elements.html
MySQL Enterprise Thread Pool comprises these elements: A plugin library file implements a plugin for the thread pool code as well as several associated monitoring tables that provide information about thread pool operation. For a detailed ...
https://dev.mysql.com/doc/refman/5.7/en/update-optimization.html
Performing multiple updates together is much quicker than doing one at a time if you lock the table. For a MyISAM table that uses dynamic row format, updating a row to a longer total length may split the row. If you do this often, it is very ... An ...
https://dev.mysql.com/doc/refman/5.7/en/workbench.html
Data Modeling: Enables you to create models of your database schema graphically, reverse and forward engineer between a schema and a live database, and edit all aspects of your database using the comprehensive Table Editor. The Table Editor provides ... MySQL Workbench provides a graphical tool for working with MySQL servers and ...
https://dev.mysql.com/doc/refman/5.7/en/set-password.html
= 'auth_string' syntax is not deprecated, but ALTER USER is the preferred statement for account alterations, including assigning passwords. For example: ALTER USER user IDENTIFIED BY 'auth_string'; Important Under some circumstances, SET PASSWORD ...