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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-timing.html
Events are collected by means of instrumentation added to the server source code. If a processor's cycle rate fluctuates, conversion from cycles to real-time units is subject to error. Their accuracy is subject to the usual forms of error ...
https://dev.mysql.com/doc/refman/8.0/en/replication-channels.html
The error codes and messages that are issued when multi-source replication is enabled specify the channel that generated the error. In MySQL multi-source replication, a replica opens multiple replication channels, one for each source server. The ...
https://dev.mysql.com/doc/refman/8.0/en/replication-multi-source-monitoring.html
The error codes and messages that are issued when multi-source replication is enabled specify the channel that generated the error. row *************************** CHANNEL_NAME: source_1 GROUP_NAME: SOURCE_UUID: 046e41f8-a223-11e4-a975-0811960cc264 ... To monitor the status of replication channels the following options exist: Using the replication Performance Schema ...
https://dev.mysql.com/doc/refman/8.0/en/set.html
Duplicate values in the definition cause a warning, or an error if strict SQL mode is enabled. A SET is a string object that can have zero or more values, each of which must be chosen from a list of permitted values specified when the table is ...
https://dev.mysql.com/doc/refman/8.0/en/source-installation-doxygen.html
The MySQL source code contains internal documentation written using Doxygen. Open an administrator console and run this command: $> java -jar path-to-plantuml.jar The command should open a GUI window and return no errors on the console. Next, ...It ...
https://dev.mysql.com/doc/refman/8.0/en/charset-cp932.html
For example, “SHIFT JIS” used in Japanese Windows environments is a Microsoft extension of Shift_JIS and its exact name is Microsoft Windows Codepage : 932 or cp932. There are several conversion rules from so-called “SHIFT JIS” to Unicode, ... Why is cp932 needed? In MySQL, the sjis character set corresponds to the Shift_JIS character set defined by IANA, which supports JIS X0201 and JIS X0208 ...
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-literals.html
row *************************** Level: Warning Code: 4095 Message: Delimiter '@' in position 4 in datetime value '2012@12@31' at row 1 is deprecated. row *************************** Level: Warning Code: 4095 Message: Delimiter '^' in position 4 in ... Standard SQL and ODBC Date and Time Literals String and Numeric Literals in Date and Time Context Date and time values can be represented in several formats, such as quoted strings or as numbers, depending on the exact type of the value and other ...
https://dev.mysql.com/doc/refman/8.0/en/installing.html
You can choose from pre-packaged distributions containing binary (precompiled) programs or source code. Oracle also provides access to the MySQL source code for those who want to see recent developments and test new code. For details and ...A ...
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html
row *************************** Level: Warning Code: 1411 Message: Incorrect datetime value: '00/00/0000' for function str_to_date Prior to MySQL 8.0.35, it was possible to pass an invalid date string such as '2021-11-31' to this function. In MySQL ... This section describes the functions that can be used to manipulate temporal ...
https://dev.mysql.com/doc/refman/8.0/en/alter-table-partition-operations.html
The REBUILD keyword is expressly disallowed with subpartitions, and causes ALTER TABLE to fail with an error if so used. CHECK PARTITION and REPAIR PARTITION operations fail when the partition to be checked or repaired contains any duplicate key ...