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https://dev.mysql.com/doc/refman/8.0/en/sys-schema.html
Stored procedures that perform operations such as Performance Schema configuration and generating diagnostic reports. Stored functions that query Performance Schema configuration and provide formatting services. The MySQL upgrade procedure produces ... MySQL 8.0 includes the sys schema, a set of objects that helps DBAs and developers interpret data collected by the Performance ...
https://dev.mysql.com/doc/refman/8.0/en/commit.html
Note Within all stored programs (stored procedures and functions, triggers, and events), the parser treats BEGIN [WORK] as the beginning of a BEGIN ... You must use COMMIT to store your changes to disk or ROLLBACK to ignore the changes. (If ...SET ...
https://dev.mysql.com/doc/refman/8.0/en/identifier-case-sensitivity.html
That is true for names of cursors, conditions, procedures, functions, savepoints, stored routine parameters, stored program local variables, and plugins. The following statement would not work because it refers to a table both as my_table and as ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-installation.html
To ensure that your tables are up to date for upgrades from earlier versions of MySQL 8.0, perform the MySQL upgrade procedure, making sure to use the option that forces an update (see Chapter 3, Upgrading MySQL). This section describes how to ...
https://dev.mysql.com/doc/refman/8.0/en/caching-sha2-pluggable-authentication.html
If you follow the RSA configuration procedure given later in this section, it also supports encrypted password exchange using RSA over unencrypted connections. To enable use of an RSA key pair for password exchange during the client connection ...
https://dev.mysql.com/doc/refman/8.0/en/check-table.html
This helps the MySQL upgrade procedure detect and upgrade tables containing old temporal columns. If avoid_temporal_upgrade is enabled, FOR UPGRADE ignores the old temporal columns present in the table; consequently, the upgrade procedure does not ...option: { FOR UPGRADE | QUICK | FAST | MEDIUM | EXTENDED | CHANGED } CHECK TABLE checks a table or tables for ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-remote.html
If you store data in other storage engines, adjust your data size estimate accordingly. The procedure for cloning to a named directory is the same procedure described in Cloning Remote Data with one exception: The CLONE INSTANCE statement must ...
https://dev.mysql.com/doc/refman/8.0/en/identifier-qualifiers.html
The permitted qualifiers for object names depend on the object type: A database name is fully qualified and takes no qualifier: CREATE DATABASE db1; A table, view, or stored program name may be given a database-name qualifier. An unqualified name is ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-metadata-locks-table.html
Metadata locking applies not just to tables, but also to schemas, stored programs (procedures, functions, triggers, scheduled events), tablespaces, user locks acquired with the GET_LOCK() function (see Section 14.14, “Locking Functions”), and ...
https://dev.mysql.com/doc/refman/8.0/en/precision-math-examples.html
Consider the following stored procedure, which adds .0001 to a variable 1,000 times. This section provides some examples that show precision math query results in MySQL. These examples demonstrate the principles described in Section 14.24.3, ...