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https://dev.mysql.com/doc/refman/5.7/en/pattern-matching.html
MySQL provides standard SQL pattern matching as well as a form of pattern matching based on extended regular expressions similar to those used by Unix utilities such as vi, grep, and sed. SQL pattern matching enables you to use _ to match any ...
https://dev.mysql.com/doc/refman/5.7/en/monitor-alter-table-performance-schema.html
stage/innodb/alter table (end): Includes any remaining work that appeared after the flush phase, such as reapplying DML that was executed on the table while ALTER TABLE was running. You can monitor ALTER TABLE progress for InnoDB tables using ...
https://dev.mysql.com/doc/refman/5.7/en/ldml-rules.html
Rules that specify differences at secondary or higher sort levels are recognized (and thus can be included in collation definitions) but are treated as equality at the primary level. Either of the following rules resets subsequent shift rules to be ...This is a subset of the syntax described in the LDML specification available at http://www.unicode.org/reports/tr35/, which should be consulted for further ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-startup-configuration.html
It is possible that a plugin installed later may create the instrument, at which time the name is recognized and configured. At runtime, SHOW VARIABLES displays the actual values that autosized parameters were set to. To use the MySQL Performance ...
https://dev.mysql.com/doc/refman/5.7/en/connecting.html
This is more secure than giving the password on the command line, which might enable other users on your system to see the password line by executing a command such as ps. If named-pipe connections are not supported or if the user making the ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-prepared-statements-instances-table.html
These columns can be used to find stored programs that leak prepared statements: SELECT OWNER_OBJECT_TYPE, OWNER_OBJECT_SCHEMA, OWNER_OBJECT_NAME, STATEMENT_NAME, SQL_TEXT FROM performance_schema.prepared_statements_instances WHERE OWNER_OBJECT_TYPE ...C API Function Corresponding Server Command mysql_stmt_prepare() COM_STMT_PREPARE mysql_stmt_execute() COM_STMT_EXECUTE mysql_stmt_close() COM_STMT_CLOSE The text ...
https://dev.mysql.com/doc/refman/5.7/en/request-access.html
A '%' or blank Host value means “any host.” A '%' or blank Db value means “any database.” The server reads the db table into memory and sorts it at the same time that it reads the user table. For example, if you want to execute mysqladmin ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-logging-configuration.html
The timestamp value is similar to a Unix timestamp, with the last 7 digits representing the fractional second part. The timestamp value is similar to a Unix timestamp, with the last 7 digits representing the fractional second part. When renaming ...
https://dev.mysql.com/doc/refman/5.7/en/sys-wait-classes-global-by-avg-latency.html
max_latency The maximum single wait time of timed occurrences of events in the class. total_latency The total wait time of timed occurrences of events in the class. min_latency The minimum single wait time of timed occurrences of events in the class. avg_latency The average wait time per timed occurrence of events in the ...
https://dev.mysql.com/doc/refman/5.7/en/sys-wait-classes-global-by-latency.html
max_latency The maximum single wait time of timed occurrences of events in the class. total_latency The total wait time of timed occurrences of events in the class. min_latency The minimum single wait time of timed occurrences of events in the class. avg_latency The average wait time per timed occurrence of events in the ...