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https://dev.mysql.com/doc/mysql-shell/9.4/en/mysql-shell-features.html
Supported Languages Interactive Code Execution Batch Code Execution Supported APIs X Protocol Support Extensions Utilities API Command Line Integration Output Formats Logging and Debug Global Session Supported Languages MySQL Shell processes code ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-functions-general-purpose.html
Attempts to use the functions without the keyring_udf plugin result in an error. Otherwise, an error occurs: ERROR 1123 (HY000): Can't initialize function 'keyring_key_generate'; This function requires keyring_udf plugin which is not installed.
https://dev.mysql.com/doc/ndbapi/en/ndb-dictionary.html
As with many other NDB API methods, it is entirely possible for endSchemaTrans() to overwrite any current error code. For this reason, you should first check for and save any error code that may have resulted from a previous, failed operation. An ...
https://dev.mysql.com/doc/refman/8.4/en/declare-handler.html
statement handler_action: { CONTINUE | EXIT | UNDO } condition_value: { mysql_error_code | SQLSTATE [VALUE] sqlstate_value | condition_name | SQLWARNING | NOT FOUND | SQLEXCEPTION } The DECLARE ... It can take the following forms: mysql_error_code: ...SQLSTATE [VALUE] sqlstate_value: A 5-character string literal indicating an SQLSTATE value, such as '42S01' to specify “unknown table”: DECLARE CONTINUE HANDLER FOR SQLSTATE '42S02' BEGIN -- body of handler END; Do not use SQLSTATE values that begin with '00' because those indicate success rather than an error ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-stmt-fetch.html
Error code and message can be obtained by calling mysql_stmt_errno() and mysql_stmt_error(). To determine which column values were truncated when this value is returned, check the error members of the MYSQL_BIND structures used for fetching values.
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-metric-replicationreplica-activity-category.html
Last Errno The error number of the last error that caused the SQL thread to stop. Last Error The error message of the last error that caused the SQL thread to stop. Last IO Errno The error number of the last error that caused the I/O thread to stop.
https://dev.mysql.com/doc/refman/8.4/en/problems-connecting.html
After a fresh installation, if you try to log on to the server as root without using a password, you might get the following error message. $> mysql -u root ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) It means ... If you encounter problems when you try to connect to the MySQL server, the following items describe some courses of action you can take to correct the ...
https://dev.mysql.com/doc/refman/8.4/en/create-index.html
For a unique index, an error occurs regardless of SQL mode because reducing the index length might enable insertion of nonunique entries that do not meet the specified uniqueness requirement. An error occurs if a key part definition contains ...
https://dev.mysql.com/doc/internals/en/decoding-specification.html
Alignment: x bits alignment to the next byte border Code Trees. For every record: 1-5 bytes length of the compressed record in bytes 1.
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-table-reference.html
The following table summarizes all available Performance Schema tables. For greater detail, see the individual table descriptions. Table 29.1 Performance Schema Tables Table Name Description accounts Connection statistics per client account ...