CREATE USER 'kristofer'; ALTER USER 'kristofer' IDENTIFIED BY 'secret'; SELECT user, plugin FROM mysql.user ORDER BY user; user plugin kristofer sha256_password mysql.infoschema caching_sha2_password mysql.session caching_sha2_password mysql.sys caching_sha2_password root caching_sha2_password SELECT USER(),CURRENT_USER(); USER() CURRENT_USER() kristofer@localhost kristofer@% DROP USER 'kristofer'; CREATE USER 'kristofer'@'localhost' IDENTIFIED WITH 'sha256_password' BY '123'; CREATE USER 'kristofer2'@'localhost' IDENTIFIED WITH 'sha256_password' BY '123'; ALTER USER 'kristofer'@'localhost' IDENTIFIED BY 'secret2'; ALTER USER 'kristofer2'@'localhost' IDENTIFIED BY 'secret2'; SELECT USER(),CURRENT_USER(); USER() CURRENT_USER() kristofer@localhost kristofer@localhost SHOW GRANTS FOR 'kristofer'@'localhost'; Grants for kristofer@localhost GRANT USAGE ON *.* TO `kristofer`@`localhost` Change user (should succeed) SELECT USER(),CURRENT_USER(); USER() CURRENT_USER() kristofer2@localhost kristofer2@localhost **** Client default_auth=sha_256_password and server default auth=native user() current_user() kristofer@localhost kristofer@localhost **** Client default_auth=native and server default auth=native user() current_user() kristofer@localhost kristofer@localhost **** Client default_auth=sha_256_password + public key on file. user() current_user() kristofer@localhost kristofer@localhost DROP USER 'kristofer'@'localhost'; DROP USER 'kristofer2'@'localhost'; CREATE USER 'kristofer'@'localhost'; SELECT USER(),CURRENT_USER(); USER() CURRENT_USER() kristofer@localhost kristofer@localhost SHOW GRANTS FOR 'kristofer'@'localhost'; Grants for kristofer@localhost GRANT USAGE ON *.* TO `kristofer`@`localhost` DROP USER 'kristofer'@'localhost'; CREATE USER 'kristofer'@'33.33.33.33'; ALTER USER 'kristofer'@'33.33.33.33' IDENTIFIED BY ''; Connection should fail for localhost ERROR 28000: Access denied for user 'kristofer'@'localhost' (using password: NO) DROP USER 'kristofer'@'33.33.33.33'; CREATE USER 'kristofer'@'localhost' IDENTIFIED BY 'awesomeness'; SELECT USER(),CURRENT_USER(); USER() CURRENT_USER() kristofer@localhost kristofer@localhost SHOW GRANTS FOR 'kristofer'@'localhost'; Grants for kristofer@localhost GRANT USAGE ON *.* TO `kristofer`@`localhost` ALTER USER 'kristofer'@'localhost' IDENTIFIED BY 'error'; DROP USER 'kristofer'@'localhost';