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https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks-recover.html
Details of the error and the last applied transaction are recorded in the Performance Schema replication_applier_status_by_worker table. Follow this procedure to recover from the error: Identify the replicated event that caused the error and verify ... If a privilege check against the PRIVILEGE_CHECKS_USER account fails, the transaction is not executed and replication stops for the ...
https://dev.mysql.com/doc/refman/8.0/en/temporary-table-problems.html
For example, the following does not work: SELECT * FROM temp_table JOIN temp_table AS t2; The statement produces this error: ERROR 1137: Can't reopen table: 'temp_table' You can work around this issue if your query permits use of a common table ...
https://dev.mysql.com/doc/refman/8.0/en/upgrade-binary-package.html
In this case, you should remove all redo log files, start your MySQL 5.7 server on the same data directory, and fix the cause of any errors. For example: mysqladmin -u root -p shutdown mysqld_safe --user=mysql --datadir=/path/to/existing-datadir & ... This section describes how to upgrade MySQL binary and package-based installations on ...
https://dev.mysql.com/doc/refman/8.0/en/using-encrypted-connections.html
If the server automatically enables encrypted connection support, it writes a note to the error log. If the server discovers that the CA certificate is self-signed, it writes a warning to the error log. By default, the RELOAD TLS action rolls back ... 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/with.html
(If no CTE refers to itself, RECURSIVE is permitted but not required.) If you forget RECURSIVE for a recursive CTE, this error is a likely result: ERROR 1146 (42S02): Table 'cte_name' doesn't exist The recursive CTE subquery has two parts, separated ... A common table expression (CTE) is a named temporary result set that exists within the scope of a single statement and that can be referred to later within that statement, possibly multiple ...
https://dev.mysql.com/doc/refman/8.0/en/x-plugin-connection-compression.html
required: Compression algorithm negotiation occurs as for preferred mode, but if no common algorithm is available, the connection request terminates with an error. If the compression mode is required but no algorithm permitted on the client side is ... From MySQL 8.0.19, X Plugin supports compression of messages sent over X Protocol ...
https://dev.mysql.com/doc/refman/8.0/en/converting-tables-to-innodb.html
Make sure that any error handlers in your application also ROLLBACK incomplete changes or COMMIT completed changes. Handling Deadlocks You might see warning messages referring to “deadlocks” in the MySQL error log, or the output of SHOW ENGINE ... If you have MyISAM tables that you want to convert to InnoDB for better reliability and scalability, review the following guidelines and tips before ...
https://dev.mysql.com/doc/refman/8.0/en/enum.html
The strings you specify as input values are automatically encoded as numbers. The index value of the empty string error value is 0. If strict SQL mode is enabled, attempts to insert invalid ENUM values result in an error. Duplicate values in the ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-locking-reads.html
Your application code can ensure referential integrity throughout this sequence of operations. For another example, consider an integer counter field in a table CHILD_CODES, used to assign a unique identifier to each child added to table CHILD. For ... If you query data and then insert or update related data within the same transaction, the regular SELECT statement does not give enough ...
https://dev.mysql.com/doc/refman/8.0/en/myisamchk.html
Possible causes include but are not limited to file system errors. The myisamchk utility gets information about your database tables or checks, repairs, or optimizes them. myisamchk works with MyISAM tables (tables that have .MYD and .MYI files for ...