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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/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/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/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/manual-info.html
This is the Reference Manual for the MySQL Database System, version 5.7, through release 5.7.44. This manual is not intended for use with older versions of the MySQL software due to the many functional and other differences between MySQL 5.7 and ...
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/partitioning-limitations.html
This section discusses current restrictions and limitations on MySQL partitioning support. However, the result must be an integer value or NULL (except in the case of [LINEAR] KEY partitioning, as discussed elsewhere in this chapter; see Section ...
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 ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-import.html
db_name is the name of the database where the table into which to import the data is found; file_name is the name of the CSV file from which to read the data; this must include the path to this file if it is not in the current directory. Options ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-file-formats.html
This is the same as the value returned by the CONNECTION_ID() function within the session. Example: <DB>test</DB> For connect events, this element indicates the default database; the element is empty if there is no default database. This is the same ... The MySQL server calls the audit log plugin to write an audit record to its log file whenever an auditable event ...