mysql受權localhost&%區別及一直受權錯誤解決辦法（安裝openstack有感）

首先仍是附上openstack文檔，以此做爲例子講解爲何賦權了%而卻一直報權限錯誤！ mysql -u root -pyunjisuan  CREATE DATABASE keystone; GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost'  IDENTIFIED BY 'KEYSTONE_DBPASS';mysql GRAN

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