mysql查看主库ip

要查看MySQL主库的IP，你可以使用以下命令:

SELECT @@hostname;

这个命令会返回MySQL主库的主机名。如果你想要查看主库的IP地址，可以使用以下命令:

SELECT @@hostname, @@port;

其中，`@@hostname`返回主库的主机名，`@@port`返回主库的端口号。将这两个值结合起来，你就可以得到主库的完整IP地址。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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