论坛 › MySQL运维 › check the manual that corresponds to your MySQL server version for the right syn

清风听雨 发表于 2016-10-19 08:34:39

check the manual that corresponds to your MySQL server version for the right syn

错误：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 'not null, add column username varchar not null' at line 1

原因：没有给varchar设定大小

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