use mysql;
grant select on dbstudy.employee to 'liYong'@'localhost' identified by '123';
flush privileges;
select host,user,password from user;
CREATE VIEW empTest1 AS SELECT deptNum, MAX(salary) AS MaxSalary, MIN(salary) AS MinSalary, AVG(salary) AS AvgSalary
FROM employee
GROUP BY deptNum;
create view liyongView as
select * from employee
where username = 'liYong';
GRANT SELECT ON dbstudy.liyongView to 'liYong'@'localhost';
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