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https://dev.mysql.com/doc/refman/5.7/en/index-hints.html
index_hint: USE {INDEX|KEY} [FOR {JOIN|ORDER BY|GROUP BY}] ([index_list]) | {IGNORE|FORCE} {INDEX|KEY} [FOR {JOIN|ORDER BY|GROUP BY}] (index_list) index_list: index_name [, index_name] ... To influence index usage for sorting or grouping rows, use ... Index hints give the optimizer information about how to choose indexes during query ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-parameters.html
innodb_flush_log_at_timeout allows the timeout period between flushes to be increased in order to reduce flushing and avoid impacting performance of binary log group commit. innodb_log_file_size Command-Line Format --innodb-log-file-size=# System ...
https://dev.mysql.com/doc/refman/5.7/en/myisamchk-general-options.html
--defaults-group-suffix=str Command-Line Format --defaults-group-suffix=str Type String Read not only the usual option groups, but also groups with the usual names and a suffix of str. If this option is given as --defaults-group-suffix=_other, ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-memory-per-fragment.html
memory_per_fragment Table: Notes memory_per_fragment Table: Examples The memory_per_fragment table provides information about the usage of memory by individual fragments. See the Notes later in this section to see how you can use this to find out ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndbd.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). For a machine with many CPUs it is possible to use several ndbd processes which belong to ...
https://dev.mysql.com/doc/refman/5.7/en/set-global-sql-slave-skip-counter.html
When using this statement, it is important to understand that the binary log is actually organized as a sequence of groups known as event groups. For nontransactional tables, an event group corresponds to a single SQL statement. When you use SET ...
https://dev.mysql.com/doc/refman/5.7/en/tracing-example.html
row *************************** QUERY: SELECT SUM(alias2.col_varchar_nokey) AS c1, alias2.pk AS c2 FROM t1 AS alias1 STRAIGHT_JOIN t2 AS alias2 ON alias2.pk = alias1.col_int_key WHERE alias1.pk GROUP BY c2 ORDER BY alias1.col_int_key, alias2.pk This ...Now we can examine the trace, whose first column (QUERY), containing the original statement to be traced, is shown here: SELECT * FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE\G ...
https://dev.mysql.com/doc/refman/5.7/en/automatic-start.html
The following table shows which option groups the server and startup scripts read from option files. Table 2.15 MySQL Startup Scripts and Supported Server Option Groups Script Option Groups mysqld [mysqld], [server], [mysqld-major_version] ... This ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-config.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). This tool extracts current configuration information for data nodes, SQL nodes, and API nodes ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-drop-index.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). It is recommended that you use this utility only as an example for writing NDB API ...