MySQL 碰到了Ignoring query to other database问题：
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root@support ~]# mysql -root -p --socket=/tmp/mysql.sock Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 5 Server version: 5.6.22-log Source distribution Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; Ignoring query to other database mysql> show slave status\G Ignoring query to other database -> Ctrl-C -- exit! Aborted
Ignoring query to other database
百思不得其解，后面发现了错误原因。竟然是用户名漏了 -u，真是小糊涂。
错误：mysql -root -p --socket=/tmp/mysql.sock
正确：mysql -uroot -p --socket=/tmp/mysql.sock
[root@support ~]# mysql -uroot -p --socket=/tmp/mysql.sock Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 6 Server version: 5.6.22-log Source distribution Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | _client | | mfi_appstore | | mfi_boss_admin | | mysql | | performance_schema | | test | +--------------------+