Search Results
https://dev.mysql.com/doc/internals/en/required-server-code-patches.html
Currently procedures can only be compiled into the server staticly. There is no dynamic procedure for loading them dynamicly yet like we have for UDFs and plugins. The build system is not too clever about creating these symlinks for files added ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-events-waits-current-table.html
For discussion of picoseconds as the unit for event times and factors that affect time values, see Section 29.4.1, “Performance Schema Event Timing”. The job of the Performance Schema instrumentation is to provide row count and accumulated ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-api-definition.html
The timeout is applied with approximately 100 ms resolution, starting with a 100 ms delay; for each subsequent attempt, the length of this period is doubled until it reaches ConnectBackoffMaxTime milliseconds, up to a maximum of 100000 ms (100s).
https://dev.mysql.com/doc/internals/en/implementing-index-read-method.html
The [custom-engine.html#custom-engine-api-reference-index_read index_read()] method is used to retrieve a row based on a key: int ha_foo::index_read(byte * buf, const byte * key, ulonglong keypart_map, enum ha_rkey_function find_flag) The *buf ...
https://dev.mysql.com/doc/refman/8.4/en/explain.html
(When there are multiple loops, this figure shows the average time per loop.) Number of rows returned by the iterator Number of loops The query execution information is displayed using the TREE output format, in which nodes represent iterators. row ...In practice, the DESCRIBE keyword is more often used to obtain information about table structure, whereas EXPLAIN is used to obtain a query execution plan (that is, an explanation of how MySQL would execute a ...
https://dev.mysql.com/doc/relnotes/connector-net/en/news-8-0-28.html
(Bug #105209, Bug #33470147) Microseconds specified in a time-span value were calculated incorrectly for prepared statements. (Bug #81586, Bug #23343947) Batch inserts that exceeded the max_allowed_packet value were not processed and skipping the ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-query-analyzer-ref.html
The Query Analyzer provides a point-in-time snapshot of queries on the monitored database, enabling you to monitor SQL statements executed on a MySQL server and see details of each query, number of executions, and execution times. Selecting a query ...Error Count The total number of errors produced by occurrences of the ...Each row ...
https://dev.mysql.com/doc/connectors/en/connector-odbc-examples-tools-with-wordexcel.html
Within Microsoft Excel, you can execute queries on your MySQL server and import the data directly into an Excel Worksheet, presenting the data as a series of rows and columns. With both applications, data is accessed and imported into the ... You ...
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-examples-tools-with-wordexcel.html
Within Microsoft Excel, you can execute queries on your MySQL server and import the data directly into an Excel Worksheet, presenting the data as a series of rows and columns. With both applications, data is accessed and imported into the ... You ...
https://dev.mysql.com/doc/workbench/en/wb-reverse-engineer-create-script.html
Select fewer elements to create the EER diagram." In this case, execute the reverse engineering wizard with this option disabled, manually create the EER diagram, and then import the 1000+ objects using the EER diagram catalog viewer. Click Execute ... To reverse-engineer a database using a create script, do one of the following: On the home screen, select the model view from the sidebar, click (>) next to Models, and then click Reverse Engineer MySQL Create ...