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https://dev.mysql.com/doc/refman/5.7/en/mysql-shell-visual-studio.html
Query statistics view, displaying information about the executed query such as execution times, processed rows, index and temporary tables usage, and more. The following MySQL for Visual Studio features are available as of version 2.0.2: JavaScript ... This section explains how to use MySQL Shell to script a server using MySQL for Visual ...
https://dev.mysql.com/doc/refman/5.7/en/sys-io-global-by-file-by-latency.html
These views summarize global I/O consumers to display time waiting for I/O, grouped by file. total_latency The total wait time of timed I/O events for the file. read_latency The total wait time of timed read I/O events for the file. write_latency ...The io_global_by_file_by_latency and x$io_global_by_file_by_latency views have these columns: file The file path ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-limitations-multiple-nodes.html
The following are issues relating to the use of multiple MySQL servers as NDB Cluster SQL nodes, and are specific to the NDBCLUSTER storage engine: Stored programs not distributed. Stored procedures, stored functions, triggers, and scheduled events ...
https://dev.mysql.com/doc/refman/5.7/en/numeric-type-attributes.html
MySQL supports an extension for optionally specifying the display width of integer data types in parentheses following the base keyword for the type. For example, INT(4) specifies an INT with a display width of four digits. This optional display ...
https://dev.mysql.com/doc/refman/5.7/en/show-index.html
SHOW {INDEX | INDEXES | KEYS} {FROM | IN} tbl_name [{FROM | IN} db_name] [WHERE expr] SHOW INDEX returns table index information. This statement requires some privilege for any column in the table. row *************************** Table: city ...
https://dev.mysql.com/doc/refman/5.7/en/arithmetic-functions.html
* Multiplication: mysql> SELECT 3*5; -> 15 mysql> SELECT 18014398509481984*18014398509481984.0; -> 324518553658426726783156020576256.0 mysql> SELECT 18014398509481984*18014398509481984; -> out-of-range error The last expression produces an error ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-linux-native-aio.html
With synchronous I/O, query threads queue I/O requests, and InnoDB background threads retrieve the queued requests one at a time, issuing a synchronous I/O call for each. InnoDB uses the asynchronous I/O subsystem (native AIO) on Linux to perform ...
https://dev.mysql.com/doc/refman/5.7/en/charset-unicode.html
Attempting to use them with SET NAMES or SET CHARACTER SET produces an error. The Unicode Standard includes characters from the Basic Multilingual Plane (BMP) and supplementary characters that lie outside the BMP. For information about the Unicode ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlslap.html
Run all the load statements, then run all the queries in the query file with five clients (five times each): mysqlslap --concurrency=5 --iterations=5 --query=query.sql --create=create.sql --delimiter=";" mysqlslap supports the following options, ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlbinlog-row-events.html
This is similar to --base64-output=NEVER but does not exit with an error if a row event is found. # at 400 #080828 15:03:08 server id 1 end_log_pos 442 Delete_rows: table id 17 flags: STMT_END_F ### DELETE FROM test.t ### WHERE ### @1=1 ### ... The ...