Mysql replace替换字段中的指定字符串

版权声明：本文为博主原创文章，未经博主允许不得转载 https://blog.csdn.net/qq_24909089/article/details/85246634

replace用法：replace（"字段名","原字符串","替代后的字符串"）

用法示例：替换expand_url中https为http

原数据：

为了识别率更高加上冒号

update jianjie_task_list_tg set expand_url = replace(expand_url,'https:','http:');

执行后数据：

也可以加条件：

update jianjie_task_list_tg set expand_url = replace(expand_url,'http:','https:') where id =6;

update jianjie_task_list_tg set expand_url = replace(expand_url,'/test1.jiujijianghu.com/','/www.baidu.com/') where id =6;