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Ruby代码 mysql>select sum(if(locate(',watch,',concat(",",seokeyword,","))>0,1,0)) as watch,sum(if(locate(',fashion watch,',concat(',',seokeyword,',')>0,1,0)) as `fashion watch`
from uxcell_channels;
+-------+---------------+
| watch | fashion watch |
+-------+---------------+
| 928 | 501 |
+-------+---------------+
mysql>select sum(if(locate(',watch,',concat(",",seokeyword,","))>0,1,0)) as watch,sum(if(locate(',fashion watch,',concat(',',seokeyword,',')>0,1,0)) as `fashion watch`
from uxcell_channels;
+-------+---------------+
| watch | fashion watch |
+-------+---------------+
| 928 | 501 |
+-------+---------------+
Ruby代码
ux.first.attributes
ux.first.attributes.keys
本文通过具体的Ruby代码示例展示了如何使用MySQL进行复杂的统计查询,包括利用LOCATE和CONCAT函数来统计包含特定字符串的记录数量。
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