目录1、场景2、实现需求实现sql编程客栈语句1、场景 业务中存在一张视频数据库表，其中，关于点赞数、下载数、评论数等以jsON字符串对象存放在statistic字段下。部分表字段截图如下：
I\'ve been writing Windows Services for a while and they always seem to work fine for things that开发者_开发问答 need to run every day, few times a week, once a month, etc. but I\'ve been lately think
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