目录介绍一、INSTR()函数的语法二、INSTR()函数的返回值三、INSTR()函数的示例四、INSTR()函数的应用场景1：在搜索结果中查找关键字的位置场景2：替换主字符串中的某个子字符串场景3：截取字符串中指定位置后的部分结
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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