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MySQL 5.6 Reference Manual
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13.1.6 ALTER SERVER Syntax

ALTER SERVER  server_name
    OPTIONS (option [, option] ...)

Alters the server information for server_name, adjusting any of the options permitted in the CREATE SERVER statement. The corresponding fields in the mysql.servers table are updated accordingly. This statement requires the SUPER privilege.

For example, to update the USER option:

ALTER SERVER s OPTIONS (USER 'sally');

ALTER SERVER causes an implicit commit. See Section 13.3.3, “Statements That Cause an Implicit Commit”.

ALTER SERVER is not written to the binary log, regardless of the logging format that is in use.

In MySQL 5.6.11 only, gtid_next must be set to AUTOMATIC before issuing this statement. (Bug #16062608, Bug #16715809, Bug #69045)


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