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https://dev.mysql.com/doc/refman/5.7/en/help.html
HELP 'search_string' The HELP statement returns online information from the MySQL Reference Manual. Example: HELP 'fake' Yields: Nothing found Please try to run 'help contents' for a list of all accessible topics Result set containing a single row ...The HELP statement searches the help tables for the given search string and displays the result of the ...Its proper operation requires that the help tables in the ...
https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html
The MySQL optimizer assumes that no more than this number of key seeks are required when searching for matching rows in a table by scanning an index, regardless of the actual cardinality of the index (see Section 13.7.5.22, “SHOW INDEX ...This ...
https://dev.mysql.com/doc/refman/5.7/en/added-deprecated-removed.html
Options and Variables Introduced in MySQL 5.7 Options and Variables Deprecated in MySQL 5.7 Options and Variables Removed in MySQL 5.7 This section lists server variables, status variables, and options that were added for the first time, have been ...Options and Variables Introduced in MySQL 5.7 The following system variables, status variables, and server options have been added in MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-log-statistics.html
This is the number transactions started in the last interval using this TC as the transaction coordinator. This is the number of transactions using this TC as the transaction coordinator that were committed in the last reporting interval. Because ...
https://dev.mysql.com/doc/refman/5.7/en/fulltext-stopwords.html
The stopword list is loaded and searched for full-text queries using the server character set and collation (the values of the character_set_server and collation_server system variables). False hits or misses might occur for stopword lookups if the ...For example, lookups are case-insensitive if the collation is latin1_swedish_ci, whereas lookups are case-sensitive if the collation is latin1_general_cs or ...
https://dev.mysql.com/doc/refman/5.7/en/bug-reports.html
Before posting a bug report about a problem, please try to verify that it is a bug and that it has not been reported already: Start by searching the MySQL online manual at https://dev.mysql.com/doc/. You can also use http://www.mysql.com/search/ to ...We try to keep the manual up to date by updating it frequently with solutions to newly found ...
https://dev.mysql.com/doc/refman/5.7/en/replication-options-replica.html
slave_rows_search_algorithms Command-Line Format --slave-rows-search-algorithms=value System Variable slave_rows_search_algorithms Scope Global Dynamic Yes Type Set Default Value TABLE_SCAN,INDEX_SCAN Valid Values ... This section explains the ...
https://dev.mysql.com/doc/refman/5.7/en/myisamchk-table-info.html
The output from these commands is explained later in this section. This operation is slow because it must read the entire table. myisamchk -eiv tbl_name This is like -eis, but tells you what is being done. Auto increment key, Last value The key ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-logging-configuration.html
On Unix, perform rotation manually like this: From the command line, rename the current log files: mv audit.log.2 audit.log.3 mv audit.log.1 audit.log.2 mv audit.log audit.log.1 This strategy overwrites the current audit.log.3 contents, placing a ...
https://dev.mysql.com/doc/refman/5.7/en/timestamp-lookups.html
(The example shown earlier illustrates how this can occur.) The query specifies a search value that is within the hour of entry into DST in the session time zone. (This is the same type of conversion performed by the CONVERT_TZ() function. This ...