按指定字符串截取前后数据
select SUBSTRING_INDEX(Example,'<br />字符串:<br />',1) from words
select SUBSTRING_INDEX(Example,'<br />字符串:<br />',-1) from words
按指定字符串截取前后数据
select SUBSTRING_INDEX(Example,'<br />字符串:<br />',1) from words
select SUBSTRING_INDEX(Example,'<br />字符串:<br />',-1) from words