Does Derby support table and column comm开发者_StackOverflow中文版ents?
By 'table and column comments' you mean the ability to associate a comment (e.g. a description of the table / column) with the object? No, it doesn't I'm afraid.
Following up with Will A's answer This currently (version 10.14.2.0) still isn't supported. I have created a feature request for this, which tracks potential future support: https://issues.apache.org/jira/browse/DERBY-7008
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治不孕去那好 补充说明：治不孕去那好志木市乾隆 2小时前 不孕不育症的原因有输卵管因素不孕,卵巢因素不孕,子宫因素不孕,内排泄因素不孕等许多原因,不过假如你须要医治,提议你正规的医院门诊医治。
I need to generate an XML output using Perl code.I\'m trying not to use any libraries,as it\'s very simple, temporary XML that gets used by another step in the process.
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是否在对方手机上显示已读，是由用户自行设置的。依次打开iPhone的“设置-信息”，会有一个“发送已读回执”的选项。将其打开，对方就能看到你，是否已经阅读了本条iMessage信息。将其关闭，对方就看不到。
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Is there anyway to use a PostgreSQL GUI to modify the database contents without doing a db:pul开发者_开发技巧l?
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