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https://dev.mysql.com/doc/refman/5.7/en/procedure-analyse.html
ANALYSE([max_elements[,max_memory]]) Note PROCEDURE ANALYSE() is deprecated as of MySQL 5.7.18, and is removed in MySQL 8.0. ANALYSE() examines the result from a query and returns an analysis of the results that suggests optimal data types for each ...
https://dev.mysql.com/doc/refman/5.7/en/repeat.html
[begin_label:] REPEAT statement_list UNTIL search_condition END REPEAT [end_label] The statement list within a REPEAT statement is repeated until the search_condition expression is true. statement_list consists of one or more statements, each ...
https://dev.mysql.com/doc/refman/5.7/en/replication-multi-source-monitoring.html
This enables you to write complex queries based on Channel_Name as a key. To monitor the status of replication channels the following options exist: Using the replication Performance Schema tables. By default, if the FOR CHANNEL channel clause is ...
https://dev.mysql.com/doc/refman/5.7/en/replication-options-reference.html
The following two sections provide basic information about the MySQL command-line options and system variables applicable to replication and the binary log. Replication Options and Variables The command-line options and system variables in the ...
https://dev.mysql.com/doc/refman/5.7/en/replication-rules-table-options.html
The replica checks for and evaluates table options only if either of the following two conditions is true: No matching database options were found. One or more database options were found, and were evaluated to arrive at an “execute” condition ...
https://dev.mysql.com/doc/refman/5.7/en/security-plugins.html
MySQL includes several plugins that implement security features: Plugins for authenticating attempts by clients to connect to MySQL Server. For general discussion of the authentication process, see Section 6.2.13, “Pluggable Authentication”.
https://dev.mysql.com/doc/refman/5.7/en/set.html
A SET is a string object that can have zero or more values, each of which must be chosen from a list of permitted values specified when the table is created. SET column values that consist of multiple set members are specified with members ...
https://dev.mysql.com/doc/refman/5.7/en/show-procedure-code.html
SHOW PROCEDURE CODE proc_name This statement is a MySQL extension that is available only for servers that have been built with debugging support. It displays a representation of the internal implementation of the named stored procedure. A similar ...
https://dev.mysql.com/doc/refman/5.7/en/show.html
In addition, you can work in SQL with results from queries on tables in the INFORMATION_SCHEMA database, which you cannot easily do with results from SHOW statements. SHOW has many forms that provide information about databases, tables, columns, or ...
https://dev.mysql.com/doc/refman/5.7/en/sorting-rows.html
You may have noticed in the preceding examples that the result rows are displayed in no particular order. It is often easier to examine query output when the rows are sorted in some meaningful way. This means that the order is undefined for columns ...