This topic created in 4426 days ago, the information mentioned may be changed or developed.
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fdsfsdfsdf3334Sep 29, 2014
1
字段属性 要 可空
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roadliSep 29, 2014
2
alter table，字段要么可为空，要么设个缺省值
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qiayueSep 29, 2014
3
几百行不多，用程序拿出来再插入一遍
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fisingSep 29, 2014
5
ALTER TABLE `tbTest` ADD `index` INT NOT NULL AUTO_INCREMENT FIRST ,
ADD PRIMARY KEY ( `index` ) 执行前要删除Primary key |
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