目录1.删除注册表2.新建文本文档粘贴如下代码补充：Navicat过期的有效解决办法次方法是无限续杯法，可无限使用14天Navicat。
I have a byte[] member in one of my persistable classes. Normally, I\'d just annotate it with @Lob and @Column(name=\"foo\", size=). In this particular case, however, the length of the byte[] can vary
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