Search Results
https://dev.mysql.com/doc/refman/8.4/en/ddl-rewriter-options.html
This section describes the command options that control operation of the ddl_rewriter plugin. If values specified at startup time are incorrect, the ddl_rewriter plugin may fail to initialize properly and the server does not load it. To control ...
https://dev.mysql.com/doc/refman/8.4/en/debugging-server.html
If you are using some functionality that is very new in MySQL, you can try to run mysqld with the --skip-new option (which disables all new, potentially unsafe functionality). If mysqld does not want to start, verify that you have no my.cnf files ...
https://dev.mysql.com/doc/refman/8.4/en/error-interfaces.html
The warning_count system variable indicates the number of errors, warnings, and notes (with notes excluded if the sql_notes system variable is disabled). Error messages can originate on the server side or the client side, and each error message ...
https://dev.mysql.com/doc/refman/8.4/en/error-log-priority-based-filtering.html
If this filter is disabled, log_error_verbosity and log_error_suppression_list have no effect, so filtering must be performed using another filter service instead where desired (for example, with individual filter rules when using ... The ...
https://dev.mysql.com/doc/refman/8.4/en/explain-output.html
(However, STRAIGHT_JOIN may prevent indexes from being used because it disables semijoin transformations. The EXPLAIN statement provides information about how MySQL executes statements. EXPLAIN returns a row of information for each table used in ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-security.html
Are there other options for testing for TLS 1.0 or 1.1? Yes, you can disable those versions prior to upgrading your server to a newer version. Where can I find documentation that addresses security issues for MySQL? A.9.2. Is SSL support built into ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-storage-engines.html
The disabled_storage_engines configuration option defines which storage engines cannot be used to create tables or tablespaces. By default, disabled_storage_engines is empty (no engines disabled), but it can be set to a comma-separated list of one ...Where can I obtain complete documentation for MySQL storage engines? ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-stopwords.html
(See Section 7.1.8, “Server System Variables”.) The variable value should be the path name of the file containing the stopword list, or the empty string to disable stopword filtering. The stopword list is loaded and searched for full-text ...
https://dev.mysql.com/doc/refman/8.4/en/generated-column-index-optimizations.html
If the optimizer picks the wrong index, an index hint can be used to disable it and force the optimizer to make a different choice. For example: CREATE TABLE t1 (f1 INT, gc INT AS (f1 + 1) STORED, INDEX (gc)); The generated column, gc, is defined as ...
https://dev.mysql.com/doc/refman/8.4/en/gone-away.html
You have encountered a timeout on the server side and the automatic reconnection in the client is disabled (the reconnect flag in the MYSQL structure is equal to 0). This section also covers the related Lost connection to server during query error.