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https://dev.mysql.com/doc/refman/5.7/en/encrypted-connection-protocols-ciphers.html
To determine the value of tls_version at runtime, use this statement: mysql> SHOW GLOBAL VARIABLES LIKE 'tls_version'; +---------------+-----------------------+ | Variable_name | Value | +---------------+-----------------------+ | tls_version | ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-events-statements-current-table.html
For discussion of picoseconds as the unit for event times and factors that affect time values, see Section 25.4.1, “Performance Schema Event Timing”. This value is computed in microseconds but normalized to picoseconds for easier comparison with ...For example, the events_statements_history and events_statements_history_long tables are collections of the most recent statement events that have ended, up to a maximum number of rows per thread and globally across all threads, ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-buffer-pool-stats-table.html
PAGES_MADE_YOUNG_RATE The number of pages made young per second (pages made young since the last printout / time elapsed). PAGES_MADE_NOT_YOUNG_RATE The number of pages not made per second (pages not made young since the last printout / time ... The ...
https://dev.mysql.com/doc/refman/5.7/en/sys-statements-with-errors-or-warnings.html
These views display normalized statements that have produced errors or warnings. By default, rows are sorted by descending error and warning counts. The statements_with_errors_or_warnings and x$statements_with_errors_or_warnings views have these ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-mgm.html
--connect-retries=# Command-Line Format --connect-retries=# Type Numeric Default Value 3 Minimum Value 0 Maximum Value 4294967295 This option specifies the number of times following the first attempt to retry a connection before giving up (the ...
https://dev.mysql.com/doc/refman/5.7/en/myisam-check.html
This causes myisamchk to keep going, up through a maximum of 20 errors. To check a MyISAM table, use the following commands: myisamchk tbl_name This finds 99.99% of all errors. It first checks all index entries for errors and then reads through all ...What it cannot find is corruption that involves only the data file (which is very ...
https://dev.mysql.com/doc/refman/5.7/en/trigger-syntax.html
The statement following FOR EACH ROW defines the trigger body; that is, the statement to execute each time the trigger activates, which occurs once for each row affected by the triggering event. MySQL handles errors during trigger execution as ...It ... To create a trigger or drop a trigger, use the CREATE TRIGGER or DROP TRIGGER statement, described in Section 13.1.20, “CREATE TRIGGER Statement”, and Section 13.1.31, “DROP TRIGGER ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-transaction-tables.html
Configuring Transaction Event Collection Transaction Boundaries Transaction Instrumentation Transactions and Nested Events Transactions and Stored Programs Transactions and Savepoints Transactions and Errors Configuring Transaction Event Collection ...Within the event hierarchy, wait events nest within stage events, which nest within statement events, which nest within transaction ...
https://dev.mysql.com/doc/refman/5.7/en/perror.html
For most system errors, MySQL displays, in addition to an internal text message, the system error code in one of the following styles: message ... (Errcode: #) You can find out what the error code means by examining the documentation for your ...
https://dev.mysql.com/doc/refman/5.7/en/proxy-users.html
This enables the external user to be a proxy for the second user; that is, to assume the privileges of the second user: The external user is a “proxy user” (a user who can impersonate or become known as another user). The second user is a ...The ...