从一个表中查询出现在另一表的字段中的名称列表

问题描述

我想查询一个表的名称列表，该表显示在另一个表的字段中.

I want to query a list of names from one table that appear in a field in a different table.

示例:

table1.title>老虎伍兹作弊，老虎伍兹崩溃，布拉德·皮特很棒，麦当娜领养，布拉德·皮特拍电影

table1.title>Tiger Woods Cheats, Tiger Woods Crashes, Brad Pitt is Great, Madonna Adopts, Brad Pitt Makes a Movie

table2.names>泰格·伍兹，布拉德·皮特，麦当娜

table2.names>Tiger Woods, Brad Pitt, Madonna

这就是两个表和值.我想写一个查询来计算table2.names中哪个名称最常出现在table1.title中的查询

So those are the two tables and values. I would like to write a query that counts which names from table2.names appear most often in table1.title

有人建议使用内部联接，但是我无法使它正常工作……我感谢您的帮助！！谢谢.

Someone suggested using inner join, but I could not get it to work... I appreciate the help!! Thanks.

推荐答案

使用:

  SELECT a.names,
         COUNT(b.titles) AS num
    FROM TABLE_2 a
    JOIN TABLE_1 b ON INSTR(b.title, a.names) > 0
GROUP BY a.names
ORDER BY num DESC

请参阅有关 INSTR()的文档

See the documentation about INSTR() - checking for a value greater than 0 means the name occurred in the title, otherwise it would be zero.

AS num是列别名，您可以在ORDER BY中引用该别名，以升序或降序排序.

The AS num is a column alias, which you can reference in the ORDER BY to sort either in ASCending or DESCending order.

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