#1
CREATE USER Zilles;
CREATE USER Steinam;
CREATE USER Zobel;
CREATE USER Lange;

#2
SELECT * FROM mysql.user;

#3
GRANT UPDATE('Position') ON nordwind.Personal TO Steinam;

#4
GRANT SELECT ON nordwind.* TO Lange;

#5
GRANT ALL PRIVILEGES ON *.* TO Zilles;

#6
GRANT SELECT, UPDATE ON nordwind.Kunden TO Zobel;

#7
FLUSH PRIVILEGES;

#8
SELECT * FROM mysql.user
WHERE User = 'Lange';

#9
REVOKE SELECT ON nordwind.* FROM Lange;

#10
REVOKE ALL PRIVILEGES ON *.* FROM Zilles;

#11
DROP USER Zobel;