才发现原来是在连接mysql时没有参数错误导致的
[root@hadoop01 ~]# mysql -uroot -oproot Warning: Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 32 Server version: 5.6.38 MySQL Community Server (GPL) Copyright (c) 2000, 2017, 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> use tmp; Database changed mysql> show tables; Ignoring query to other database mysql> use tmp; Database changed mysql> show tables; Ignoring query to other database mysql> CREATE TABLE tmp.os_app_api_log( -> phone VARCHAR(20) NOT NULL, -> data CHAR(10), -> time CHAR(10) ); Ignoring query to other database mysql> mysql> mysql> CREATE TABLE tmp.online_service_log( -> phone VARCHAR(9) NOT NULL, -> data CHAR(10), -> time CHAR(10) ); Ignoring query to other database mysql> mysql> mysql> mysql> use tmp; Database changed mysql> show tables; Ignoring query to other database mysql> [1]+ Stopped mysql -uroot -oproot [root@hadoop01 ~]# mysql -uroot -proot Warning: Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 33 Server version: 5.6.38 MySQL Community Server (GPL) Copyright (c) 2000, 2017, 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>