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https://dev.mysql.com/doc/ndbapi/en/ndb-column.html
Important Columns created using this class cannot be seen by the MySQL Server. Description The attribute storage format can be either fixed or variable. A Column created using the NDB API is not visible to a MySQL server. This is either the array ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-configuration.html
Configuration 19 Configuration The MySQL configuration comprises global system variables and session variables, which define its operation. Creating a MySQL Configuration Copying a MySQL Configuration MySQL Configuration Details System ...
https://dev.mysql.com/doc/refman/9.7/en/order-by-optimization.html
To obtain memory for filesort operations, the optimizer allocates memory buffers incrementally as needed, up to the size indicated by the sort_buffer_size system variable. Take into account that the size of column values stored in the sort buffer is ...If this is not possible, try the following strategies: Increase the sort_buffer_size variable ... This section describes when MySQL can use an index to satisfy an ORDER BY clause, the filesort operation used when ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-logging.html
Mar 7 12:39:25 myhost MysqlClient[20824]: SYSTEM_USER:'oscar', MYSQL_USER:'my_oscar', CONNECTION_ID:23, DB_SERVER:'127.0.0.1', DB:'--', QUERY:'USE test;' Mar 7 12:39:28 myhost MysqlClient[20824]: SYSTEM_USER:'oscar', MYSQL_USER:'my_oscar', ...To ...
https://dev.mysql.com/doc/connectors/en/connector-odbc-installation-source-unix.html
These should be in place if you have installed the MySQL server on the same machine. Here are some examples: -DODBC_INCLUDES=dir_name: Use when the ODBC include directory is not found within the system $PATH. -DODBC_LIB_DIR=dir_name: Use when the ...
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-installation-source-unix.html
These should be in place if you have installed the MySQL server on the same machine. Here are some examples: -DODBC_INCLUDES=dir_name: Use when the ODBC include directory is not found within the system $PATH. -DODBC_LIB_DIR=dir_name: Use when the ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-logs-event-buffer.html
PARTIALLY_BUFFERING: The buffer free percentage following the gap has risen to the threshold, which can be set in the mysql client using the ndb_eventbuffer_free_percent server system variable or in NDB API applications by calling ...The threshold ... NDB uses one or more memory buffers for events received from the data ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-replication-tables.html
Note The following two components provide information relating to replication performance: The Group Replication Flow Control Statistics component enables several server status variables which provide information on Group Replication flow control ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-troubleshooting.html
To determine the status of the MySQL HeatWave Cluster, run the following statement: mysql> SHOW GLOBAL STATUS LIKE 'rapid_plugin_bootstrapped'; +---------------------------------+------------+ | Variable_name | Value | ...Smaller, simpler queries, ...Solution A: Your query contains an unsupported predicate, function, operator, or has encountered some other ...
https://dev.mysql.com/doc/refman/9.7/en/symbolic-links-to-tables.html
To determine whether your system supports symbolic links, check the value of the have_symlink system variable using this statement: SHOW VARIABLES LIKE 'have_symlink'; The handling of symbolic links for MyISAM tables works as follows: In the data ...