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mysql -u root -p vmware mysql>use mysql;
mysql>update user set host = '%' where user = 'root';
mysql>select host, user from user;
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GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;
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FLUSH PRIVILEGES;
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GRANT ALL PRIVILEGES ON dk.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;
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count(if(receive_msg = '2',receive_msg,null)) as dttcount ,
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