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https://dev.mysql.com/doc/refman/8.0/en/caching-sha2-pluggable-authentication.html
The database administrator must set these variables at server startup if the key files to use have names that differ from the system variable default values. If the private and public key files are located in the data directory and are named ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-overview.html
In a shared-nothing system, each component is expected to have its own memory and disk, and the use of shared storage mechanisms such as network shares, network file systems, and SANs is not recommended or supported. NDB Cluster integrates the ...
https://dev.mysql.com/doc/refman/8.0/en/windows-troubleshooting.html
The error log is located in the data directory specified in your my.ini file. The following examples show other common error messages you might encounter when installing MySQL and starting the server for the first time: If the MySQL server cannot ...
https://dev.mysql.com/doc/refman/8.0/en/problems-connecting.html
For distributions that do not do this, you must initialize the data directory manually. (The data directory normally is named data or var and is located under your MySQL installation directory.) Make sure that you have a file named user.MYD in the ...To correct this when you invoke a client program, specify a --port option to indicate the proper port number, or a --socket option to indicate the proper named pipe or Unix socket ...
https://dev.mysql.com/doc/refman/8.0/en/replica-logs-status.html
The metadata in this repository includes the connection configuration, the replication user account details, the SSL settings for the connection, and the file name and position where the replication receiver thread is currently reading from the ...
https://dev.mysql.com/doc/refman/8.0/en/secure-client-programming.html
Handle MySQL Error Messages Properly It is the application's responsibility to intercept errors that occur as a result of executing SQL statements with the MySQL database server and handle them appropriately. Thus, MySQL errors must sometimes ...Be ...In a numeric context, MySQL automatically converts this string to a number and strips any trailing nonnumeric characters from ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-differing-tables.html
In all cases where the source and target tables do not have identical definitions, the database and table names must be the same on both the source and the replica. In addition, when the replica's copy of the table has more columns than the source's ...In addition, corresponding table columns on the source and the replica can use different data types, subject to certain ...
https://dev.mysql.com/doc/refman/8.0/en/json-search-functions.html
DEFAULT value ON ERROR: This is the value returned; its value must match that of the return type. The functions in this section perform search or comparison operations on JSON values to extract data from them, report whether data exists at a ...To ...
https://dev.mysql.com/doc/refman/8.0/en/using-encrypted-connections.html
Alternatively, if you have a MySQL source distribution, you can test your setup using the demonstration certificate and key files in its mysql-test/std_data directory. (The files need not have been generated automatically; what matters is that they ... Several configuration parameters are available to indicate whether to use encrypted connections, and to specify the appropriate certificate and key ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-overview-requirements.html
Where communication latencies between data nodes are expected to be higher than would be expected in a LAN environment (on the order of 100 µs), timeout parameters must be increased to ensure that any allowed periods of latency periods are well ...