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https://dev.mysql.com/doc/refman/5.7/en/apache.html
There are programs that let you authenticate your users from a MySQL database and also let you write your log files into a MySQL table.
https://dev.mysql.com/doc/refman/5.7/en/innodb-benefits.html
If you split up related data into different tables, you can set up foreign keys that enforce referential integrity. When you design a database with appropriate primary key columns for each table, operations involving those columns are automatically ... InnoDB tables have the following benefits: If the server unexpectedly exits because of a hardware or software issue, regardless of what was happening in the database at the time, you don't need to do anything special after restarting the ...
https://dev.mysql.com/doc/refman/5.7/en/json-utility-functions.html
JSON_PRETTY() prints out a JSON value in a format that is easy to read. JSON_PRETTY(json_val) Provides pretty-printing of JSON values similar to that implemented in PHP and by other languages and database systems. Formatting of the output from this ... This section documents utility functions that act on JSON values, or strings that can be parsed as JSON ...
https://dev.mysql.com/doc/refman/5.7/en/checking-rpm-signature.html
Rather, RPM maintains a separate keyring because it is a system-wide application and a user's GPG public keyring is a user-specific file. For example: $> gpg --export -a 3a79bd29 > 3a79bd29.asc $> rpm --import 3a79bd29.asc Alternatively, rpm also ...
https://dev.mysql.com/doc/refman/5.7/en/faqs-views.html
You may also find the MySQL User Forums to be helpful. Is there a discussion forum for MySQL Views? See the MySQL User Forums. To check a view definition for problems of this kind, use the CHECK TABLE statement. What happens to a view if an ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-connection-control-failed-login-attempts-table.html
This table provides information about the current number of consecutive failed connection attempts per account (user/host combination). CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS has these columns: USERHOST The user/host combination indicating an ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-mysqld.html
row *************************** Id: 1 User: system user Host: db: Command: Daemon Time: 1 State: Waiting for event from ndbcluster Info: NULL Important To participate in an NDB Cluster, the mysqld process must be started with both the options ...To ...You can use either of two possible options to enable this engine: Use --ndbcluster as a startup option on the command line when starting ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-error-messages.html
The error_messages table provides information about The error_messages table contains the following columns: error_code Numeric error code error_description Description of error error_status Error status code error_classification Error ...This is ...
https://dev.mysql.com/doc/refman/5.7/en/server-shutdown.html
For example, a user with the SHUTDOWN privilege can execute a mysqladmin shutdown command. If the SQL thread is in the middle of a transaction at this point, the server waits until the current replication event group (if any) has finished executing, ...If the server tries to create a shutdown thread and cannot (for example, if memory is exhausted), it issues a diagnostic message that appears in the error log: Error: Can't create thread to kill server The server stops accepting new ...
https://dev.mysql.com/doc/refman/5.7/en/concurrent-inserts.html
If the variable is set to ALWAYS (or 2), concurrent inserts at the end of the table are permitted even for tables that have deleted rows. If there are multiple INSERT statements, they are queued and performed in sequence, concurrently with the ...