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https://dev.mysql.com/doc/refman/8.0/en/start-group-replication.html
While a member is rejoining a replication group, its status can be displayed as OFFLINE or ERROR before the group completes the compatibility checks and accepts it as a member. START GROUP_REPLICATION [USER='user_name'] [, PASSWORD='user_pass'] [, ...
https://dev.mysql.com/doc/refman/8.0/en/statement-caching.html
For certain statements that a client might execute multiple times during a session, the server converts the statement to an internal structure and caches that structure to be used during execution. Caching enables the server to perform more ...
https://dev.mysql.com/doc/refman/8.0/en/static-format.html
Creating a table having such columns with an explicit ROW_FORMAT clause does not raise an error or warning; the format specification is ignored. It is used when the table contains no variable-length columns (VARCHAR, VARBINARY, BLOB, or TEXT). Of ...
https://dev.mysql.com/doc/refman/8.0/en/stop-group-replication.html
This statement requires the GROUP_REPLICATION_ADMIN privilege (or the deprecated SUPER privilege). As soon as you issue STOP GROUP_REPLICATION the member is set to super_read_only=ON, which ensures that no writes can be made to the member while ...
https://dev.mysql.com/doc/refman/8.0/en/storage-engine-setting.html
If the desired engine is unavailable, this setting produces an error instead of a warning, and the table is not created or altered. If a table name contains special characters, the names for the table files contain encoded versions of those ... When ...
https://dev.mysql.com/doc/refman/8.0/en/stored-program-variables.html
System variables and user-defined variables can be used in stored programs, just as they can be used outside stored-program context. In addition, stored programs can use DECLARE to define local variables, and stored routines (procedures and ...
https://dev.mysql.com/doc/refman/8.0/en/string-comparison-functions.html
Table 14.13 String Comparison Functions and Operators Name Description LIKE Simple pattern matching NOT LIKE Negation of simple pattern matching STRCMP() Compare two strings If a string function is given a binary string as an argument, the ...
https://dev.mysql.com/doc/refman/8.0/en/string-functions-charset.html
If explicit COLLATE Y and COLLATE Z occur, raise an error. MySQL has many operators and functions that return a string. This section answers the question: What is the character set and collation of such a string? For simple functions that take ...
https://dev.mysql.com/doc/refman/8.0/en/sys-ps-is-consumer-enabled.html
If the argument is not a valid consumer name, an error occurs. Returns YES or NO to indicate whether a given Performance Schema consumer is enabled, or NULL if the argument is NULL. (Prior to MySQL 8.0.18, the function returns NULL if the argument ...
https://dev.mysql.com/doc/refman/8.0/en/sys-ps-trace-statement-digest.html
Traces all Performance Schema instrumentation for a specific statement digest. If you find a statement of interest within the Performance Schema events_statements_summary_by_digest table, specify its DIGEST column MD5 value to this procedure and ...