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https://dev.mysql.com/doc/refman/8.0/en/mysql-commands.html
Have a tee file enabled and pager set to less, and you are able to browse the results using the less program and still have everything appended into a file the same time. There is also a set of commands that mysql itself interprets. For a list of ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-tips.html
(The menu item mentioned previously sets the font and character set as just described.) To avoid those steps each time you run mysql, you can create a shortcut that invokes mysql.exe. row *************************** msg_nro: 3068 date: 2000-03-01 ...
https://dev.mysql.com/doc/refman/8.0/en/json-modification-functions.html
JSON_ARRAY_INSERT(json_doc, path, val[, path, val] ...) Updates a JSON document, inserting into an array within the document and returning the modified document. In MySQL 8.0.4, the optimizer can perform a partial, in-place update of a JSON column ... The functions in this section modify JSON values and return the ...An error occurs if the json_doc argument is not a valid JSON document or any path ...
https://dev.mysql.com/doc/refman/8.0/en/create-procedure.html
The DEFINER and SQL SECURITY clauses specify the security context to be used when checking access privileges at routine execution time, as described later in this section. For NOW(), the binary log includes the timestamp and replicates correctly. By ...
https://dev.mysql.com/doc/refman/8.0/en/upgrading-what-is-upgraded.html
If the actual data dictionary version is lower than the current expected version, the server creates data dictionary tables with updated definitions, copies persisted metadata to the new tables, atomically replaces the old tables with the new ones, ...Other schemas, some of which are built in and may be considered “owned” by the server, and others which are not: The performance_schema, INFORMATION_SCHEMA, ndbinfo, and sys ... Installing a new version of MySQL may require upgrading these parts of ...
https://dev.mysql.com/doc/refman/8.0/en/connection-control-plugin-installation.html
To set the relevant variables at server startup, put these lines in the server my.cnf file: [mysqld] plugin-load-add=connection_control.so connection-control-failed-connections-threshold=4 connection-control-min-connection-delay=2000 To set and ...
https://dev.mysql.com/doc/refman/8.0/en/data-directory-initialization.html
To arrange for MySQL to start without manual intervention at system boot time, see Section 2.9.5, “Starting and Stopping MySQL Automatically”. Within the data directory, the server creates the mysql system schema and its tables, including the ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-system-variables.html
The default value is calculated at server build time based on the number of commands in the client/server protocol and the number of SQL statement types supported by the server. Performance Schema system variables have the following meanings: ...The ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-cloning.html
Using a remote cloning operation in the event of a large transaction gap lets you add new members to the group without transferring the group's data to the server manually beforehand, and also enables a member that is very out of date to catch up ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-network-partitioning.html
For example, in the above scenario of 5 servers where 3 leave at once, if the 3 leaving servers warn the group that they are leaving, one by one, then the membership is able to adjust itself from 5 to 2, and at the same time, securing quorum while ...This is the case for regular transactions but is also required for group membership changes and some internal messaging that keeps the group ...