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数据类型CHAR
Posted by: qiu li
Date: June 30, 2017 12:15AM

如果向CHAR(4)类型插入数据"a",使用length()函数查询出来的结果是1字节,而不是4字节,CHAR类型不应该是固定长度吗

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数据类型CHAR
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June 30, 2017 12:15AM


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