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在mysql或者是PostgreSQL中,判断一个值是不是null,使用的是value IS NULL,不是函数96行中的isnull,is 和 null 是分开写的。
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在mysql或者是PostgreSQL中,判断一个值是不是null,使用的是value IS NULL,不是函数96行中的isnull,is 和 null 是分开写的。
The text was updated successfully, but these errors were encountered: