I am tasked to create a column with a null value but I got an error.
SELECT * FROM test.Persons
ALTER TABLE Persons
ADD mark_percentage FLOAT
This is my error.
12:32:47 use database test ALTER TABLE PERSONS ADD MARKS float SELECT * FROM test.Persons Error Code: 1064. You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'database test ALTER TABLE PERSONS ADD MARKS float SELECT * FROM test.Persons' at line 1 0.063 sec