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https://dev.mysql.com/doc/refman/5.7/en/sys-version.html
For example, use the VERSION() function to retrieve the MySQL server version. This view provides the current sys schema and MySQL server versions. Note As of MySQL 5.7.28, this view is deprecated and subject to removal in a future MySQL version.
https://dev.mysql.com/doc/refman/5.7/en/thread-pool-information-schema-tables.html
The following sections describe the INFORMATION_SCHEMA tables associated with the thread pool plugin (see Section 5.5.3, “MySQL Enterprise Thread Pool”). They provide information about thread pool operation: TP_THREAD_GROUP_STATE: Information ...Thus, the MySQL server holds the mutex of the thread group while producing the ...
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. An update statement is optimized like a ...
https://dev.mysql.com/doc/refman/5.7/en/verifying-package-integrity.html
After downloading the MySQL package that suits your needs and before attempting to install it, make sure that it is intact and has not been tampered with. There are three means of integrity checking: MD5 checksums Cryptographic signatures using ...
https://dev.mysql.com/doc/refman/5.7/en/events-metadata.html
To obtain metadata about events: Query the event table of the mysql database. This becomes the event time zone (ETZ); that is, the time zone that is used for event scheduling and is in effect within the event as it executes. For representation of ...Event Scheduler Time Representation Each session in MySQL has a session time zone ...
https://dev.mysql.com/doc/refman/5.7/en/group-by-functional-dependence.html
The examples use the world database, which can be downloaded from https://dev.mysql.com/doc/index-other.html. You can find details on how to install the database on the same page. Therefore, in all cases: {co.Code} -> {co.Name} Which yields: ... The ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-table-constraints-table.html
CONSTRAINT_SCHEMA The name of the schema (database) to which the constraint belongs. TABLE_SCHEMA The name of the schema (database) to which the table belongs. The value can be UNIQUE, PRIMARY KEY, FOREIGN KEY, or CHECK. The UNIQUE and PRIMARY KEY ...The TABLE_CONSTRAINTS table has these columns: CONSTRAINT_CATALOG The name of the catalog to which the constraint ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-information-schema-tables.html
Additional statistical and other data about NDB Cluster transactions, operations, threads, blocks, and other aspects of performance can be obtained from the tables in the ndbinfo database. For information about these tables, see Section 21.6.15, ...
https://dev.mysql.com/doc/refman/5.7/en/mysqldump-tips.html
This section surveys techniques that enable you to use mysqldump to solve specific problems: How to make a copy a database How to copy a database from one server to another How to dump stored programs (stored procedures and functions, triggers, and ...
https://dev.mysql.com/doc/refman/5.7/en/apis-eiffel.html
Eiffel MySQL is an interface to the MySQL database server using the Eiffel programming language, written by Michael Ravits.