CREATE USER 'kristofer' IDENTIFIED WITH 'sha256_password'; 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'; ERROR 28000: Access denied for user 'kristofer'@'localhost' (using password: YES) SELECT USER(),CURRENT_USER(); USER() CURRENT_USER() kristofer@localhost kristofer@localhost SHOW CREATE USER 'kristofer'@'localhost'; CREATE USER for kristofer@localhost CREATE USER 'kristofer'@'localhost' IDENTIFIED WITH 'sha256_password' AS '' 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' IDENTIFIED WITH 'sha256_password' BY '123'; ALTER USER 'kristofer'@'localhost' IDENTIFIED BY ''; ERROR 28000: Access denied for user 'kristofer'@'localhost' (using password: YES) SELECT USER(),CURRENT_USER(); USER() CURRENT_USER() kristofer@localhost kristofer@localhost SHOW CREATE USER 'kristofer'@'localhost'; CREATE USER for kristofer@localhost CREATE USER 'kristofer'@'localhost' IDENTIFIED WITH 'sha256_password' REQUIRE NONE PASSWORD EXPIRE DEFAULT ACCOUNT UNLOCK PASSWORD HISTORY DEFAULT PASSWORD REUSE INTERVAL DEFAULT PASSWORD REQUIRE CURRENT DEFAULT DROP USER 'kristofer'@'localhost'; CREATE USER 'kristofer'@'33.33.33.33' IDENTIFIED WITH 'sha256_password' BY '123'; 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' IDENTIFIED WITH 'sha256_password'; 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@% UPDATE mysql.user SET authentication_string= '$' WHERE user='kristofer'; FLUSH PRIVILEGES; SELECT user,authentication_string,plugin FROM mysql.user WHERE user='kristofer'; user authentication_string plugin kristofer $ sha256_password ERROR 28000: Access denied for user 'kristofer'@'localhost' (using password: YES) UPDATE mysql.user SET authentication_string= '$5$asd' WHERE user='kristofer'; FLUSH PRIVILEGES; SELECT user,authentication_string,plugin FROM mysql.user WHERE user='kristofer'; user authentication_string plugin kristofer $5$asd sha256_password ERROR 28000: Access denied for user 'kristofer'@'localhost' (using password: YES) DROP USER kristofer;