alter table 成绩 modify age in(4) not null;
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 'in(4) not null' at line 1
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这个怎么改呀
alter table 成绩 modify age int(4) not null;
alter table 成绩 modify age int(4) not null;
in(4)应是int(4)漏了个t