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C:\Documents and Settings\Administrator>mysqladmin -u root -p password
Enter password: ****
mysqladmin: Too few arguments to change password

C:\Documents and Settings\Administrator>mysqladmin -u root -p password ''
Enter password: ****
Warning: single quotes were not trimmed from the password by your command
line client, as you might have expected.



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GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY '' WITH GRANT OPTION;


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