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https://dev.mysql.com/doc/refman/5.7/en/downgrade-binary-package.html
For example: mysqladmin -u root -p shutdown mysqld_safe --user=mysql --datadir=/path/to/existing-datadir Logical Downgrade Logical downgrade involves using mysqldump to dump all tables from the new MySQL version, and then loading the dump file into ... This section describes how to downgrade MySQL binary and package-based installations on ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-introduction.html
For example, Oracle Database users are familiar with querying tables in the Oracle data dictionary. INFORMATION_SCHEMA and Privileges For most INFORMATION_SCHEMA tables, each MySQL user has the right to access them, but can see only the rows in the ... INFORMATION_SCHEMA provides access to database metadata, information about the MySQL server such as the name of a database or table, the data type of a column, or access ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-undo-logs.html
Undo logs that reside in the temporary tablespace are used for transactions that modify data in user-defined temporary tables. An undo log is a collection of undo log records associated with a single read-write transaction. An undo log record ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-enterprise-security.html
MySQL Enterprise Edition provides plugins that implement security features using external services: MySQL Enterprise Edition includes an authentication plugin that enables MySQL Server to use LDAP (Lightweight Directory Access Protocol) to ...PAM ...
https://dev.mysql.com/doc/refman/5.7/en/replication-threads-monitor-main.html
row *************************** Id: 2 User: root Host: localhost:32931 db: NULL Command: Binlog Dump Time: 94 State: Has sent all binlog to slave; waiting for binlog to be updated Info: NULL Here, thread 2 is a Binlog Dump thread that services a ...
https://dev.mysql.com/doc/refman/5.7/en/rewriter-query-rewrite-plugin-reference.html
Users communicate with the plugin by modifying the set of rules stored in this table. The plugin communicates information to users by setting the table's message column. The function is intended to be invoked by the stored procedure, not directly by ...Note The rules table is loaded into the plugin by the flush_rewrite_rules stored ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-user-privileges-table.html
The USER_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is granted, in 'user_name'@'host_name' format. IS_GRANTABLE YES if the user has the GRANT OPTION privilege, NO otherwise. The value can be any ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-system-tables.html
The first index is GEN_CLUST_INDEX, which is a clustered index created by InnoDB if the table does not have a user-defined clustered index. There are six columns, three of which are hidden columns created by InnoDB (DB_ROW_ID, DB_TRX_ID, and ... You ...
https://dev.mysql.com/doc/refman/5.7/en/alter-table-examples.html
row *************************** Table: t1 Create Table: CREATE TABLE `t2` ( `c1` int(11) DEFAULT NULL ) /*!50100 TABLESPACE ts_1 STORAGE DISK */ ENGINE=ndbcluster DEFAULT CHARSET=latin1 1 row in set (0.01 sec) To change the storage type of an ...For ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-row-format.html
Records in the clustered index contain fields for all user-defined columns. Records in the clustered index contain fields for all user-defined columns. When a table is created with ROW_FORMAT=DYNAMIC, InnoDB can store long variable-length column ...