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https://dev.mysql.com/doc/internals/en/multi-resultset.html
see the EOF_Packet: 05 00 00 03 fe 00 00 0a 00 with its status-flag being 0a the 2nd resultset: 01 00 00 06 01 17 00 00 07 03 64 65 66 00 00 00 ..........def... see the EOF_Packet: 05 00 00 0a fe 00 00 0a 00 with its status-flag being 0a ... If the ...01 31 00 0c 3f 00 01 00 00 00 08 81 00 00 00 00 ...
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/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/mysql-monitor/8.0/en/replication-advisor-ref.html
Default frequency 06:00:00 Default auto-close enabled yes Binary Log Space Exceeds Specified Limit The binary log is a set of files that contain information about data modifications made by the MySQL server. Slave Detection Of Network Outages Too ...
https://dev.mysql.com/doc/internals/en/threads.html
The mysql_install_db script starts a server with an option telling it to start this thread and read commands in from a file. InnoDB has a separate maintenance thread, but BDB also uses this one to occasionally call berkeley_cleanup_log_files(). In ... Threads in mysqld can run at four different priorities, defined in mysql_priv.h: #define INTERRUPT_PRIOR 10 #define CONNECT_PRIOR 9 #define WAIT_PRIOR 8 #define QUERY_PRIOR 6 Some threads try to set their priority; others ...
https://dev.mysql.com/doc/internals/en/optimizer-eliminating-dead-code.html
A transformation takes place for conditions that are always true, for example: WHERE 0=0 AND column1='y' In this case, the first condition is removed, leaving WHERE column1='y' See: /sql/sql_select.cc, remove_eq_conds(). Consider the following: ...
https://dev.mysql.com/doc/workbench/en/wb-migration-database-mssql-prepare.html
Known limitation with Ubuntu 20.04: An error related to FreeTDS/iODBC in Ubuntu prevents the migration of Microsoft SQL Server databases to MySQL using the MySQL Workbench Migration Wizard. To migrate schemas and data from Microsoft SQL Server for ...You know the IP and port of the source SQL server ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-event-handling.html
The source code for this program may be found in the NDB Cluster source tree, in the file storage/ndb/ndbapi-examples/ndbapi_event/ndbapi_event.cpp. #include <NdbApi.hpp> // Used for cout #include <stdio.h> #include <iostream> #include <unistd.h> ...
https://dev.mysql.com/doc/refman/8.4/en/replication-howto-additionalslaves.html
Important Before copying, verify that all the files relating to the existing replica actually are stored in the data directory. InnoDB tablespace files and file-per-table tablespaces might have been created in other directories. During copying, if ...To do this, you can set up the new replica by copying the data directory of an existing replica, and giving the new replica a different server ID (which is user-specified) and server UUID (which is generated at ...