I am sending objects to a server in java, however I want to ensure that it has n开发者_StackOverflow社区ot been tampered with, in addition to the already provided security. I understand how to take do
大家知道数据库为了提高查询速度，增加索引是必不可少的，但是有些时候即使你加了索引也不定有效果，这篇文章主要给大家介绍了一次因为隐式转换引起的sql慢查询的相关资料，需要的朋友可以参考下。
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