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SQL判断一上指定字符串在字段中出现的次数

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Release： 2016-06-07 14:57:33
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无详细内容 无 这里提取指定符串"A"在字段中的出现次数SQL为： select len(keyword)-len(replace(keyword, 'A', ' ')) from 表

这里提取指定符串"A"在字段中的出现次数SQL为：
 
 select len(keyword)-len(replace(keyword, 'A', ' ')) from 表
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