mysql查询时截取字符串_MySQL
- WBOYOriginal
- 2016-06-01 13:51:43831browse
SELECT substring_index( wantclass, ' ', 1 ) AS wclass FROM bd_resume WHERE user_id =42
wantclass为要截取字符串对应的字段名，
' '为要以什么为截取字符的关键字符
1为关键字符出现的位置
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