我要改变一个日期时间字段的默认值:
alter xtablename alter dateandtime set default NOW();
报错:
ERROR 1064: You have an error in your SQL syntax near 'NOW()' at line 1
为什么
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一个mysql的问题!
我要改变一个日期时间字段的默认值: alter xtablename alter dateandtime set default NOW(); 报错: ERROR 1064: You have an error in your SQL syntax near 'NOW()' at line 1 为什么