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https://dev.mysql.com/doc/internals/en/innodb-fil-header.html
The word "space" is generic jargon for either "log" or "tablespace". -------- - root - -------- | ---------------------- | | | | -------- -------- - leaf - <--> - leaf - -------- -------- Everyone has seen a B-tree and knows that the entries in the ...
https://dev.mysql.com/doc/internals/en/support-for-delete.html
The following example is from the CSV storage engine: int ha_tina::delete_row(const byte * buf) { DBUG_ENTER("ha_tina::delete_row"); statistic_increment(table->in_use->status_var.ha_delete_count, &LOCK_status); if (chain_append()) DBUG_RETURN(-1); ...For non-indexed storage engines the parameter can be ignored, but transactional storage engines may need to store the deleted data for rollback ...
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-clusterjexception.html
com.mysql.clusterj.ClusterJFatalUserException If an exception is detected during initialization of a persistent interface, for example annotating a column that doesn't exist in the mapped table, it is reported as a user exception. Applications can ...
https://dev.mysql.com/doc/ndbapi/en/ndb-nodejs-api-errors.html
errors "25000" : "Invalid Transaction State", "2C000" : "Invalid character set name", "42S02" : "Table not found", "IM001" : "Driver does not support this function", /* Implementation-defined classes (NDB) */ "NDB00" : "Refer to ndb_error for ...
https://dev.mysql.com/doc/x-devapi-userguide/en/connection-attributes-xdevapi.html
Connection attributes are key-value pairs that application programs can pass to the server during connection time to be stored in the PERFORMANCE_SCHEMA tables session_account_connect_attrs and session_connect_attrs. There are two different kinds ...
https://dev.mysql.com/doc/mysql-monitor/8.0/en/mem-creating-advisors-overview.html
This frame links variables used in the expression field with data gathered from the target MySQL server instance: server status variables, operating system status information, and table information. To create a new Advisor, click the Create Advisor ...
https://dev.mysql.com/doc/mysql-monitor/8.0/en/mem-example-creating-advisor.html
For instructions on Configure Advisor, see Table 19.3, “Advisor Edit Menu Controls”. To create an Advisor, select the Create Advisor button from the Advisors page. This example creates an Advisor that checks if connections have been killed using ...
https://dev.mysql.com/doc/x-devapi-userguide-shell-js/en/connection-attributes-xdevapi.html
Connection attributes are key-value pairs that application programs can pass to the server during connection time to be stored in the PERFORMANCE_SCHEMA tables session_account_connect_attrs and session_connect_attrs. There are two different kinds ...
https://dev.mysql.com/doc/x-devapi-userguide-shell-python/en/connection-attributes-xdevapi.html
Connection attributes are key-value pairs that application programs can pass to the server during connection time to be stored in the PERFORMANCE_SCHEMA tables session_account_connect_attrs and session_connect_attrs. There are two different kinds ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-window-functions.html
What's Next Learn how to perform the following tasks: Run queries Modify tables Retrieve MySQL HeatWave Metadata Optimize workloads for OLAP and OLTP Monitor MySQL HeatWave processes . For optimal performance, window functions in MySQL HeatWave ...