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Mysql SQL:其中字段或字段2类似于%entry%_Mysql_Sql - Fatal编程技术网

Mysql SQL:其中字段或字段2类似于%entry%

Mysql SQL:其中字段或字段2类似于%entry%,mysql,sql,Mysql,Sql,在以下情况下,是否有更简单/更有效的方法执行以下操作: WHERE (Field LIKE %entry% OR Field2 LIKE %entry%) AND (Field LIKE %entry2% OR Field2 LIKE %entry2%) 这部分是 (Field LIKE %entry% OR Field2 LIKE %entry%) 您可以省略它。您可以执行以下操作: where concat_ws(' ', field1, field2) like '%entry%' a

在以下情况下,是否有更简单/更有效的方法执行以下操作:

WHERE (Field LIKE %entry% OR Field2 LIKE %entry%)
AND (Field LIKE %entry2% OR Field2 LIKE %entry2%)
这部分是

(Field LIKE %entry% OR Field2 LIKE %entry%)
您可以省略它。

您可以执行以下操作:

where concat_ws(' ', field1, field2) like '%entry%' and
      concat_ws(' ', field1, field2) like '%entry2%'
性能应该大致相同

如果您想提高性能,请考虑全文文本。

请参阅以下内容:


我猜entry和entry2是任意字符串。
where concat_ws(' ', field1, field2) like '%entry%' and
      concat_ws(' ', field1, field2) like '%entry2%'
SELECT  *
FROM    mytable
WHERE   MATCH(filed, field2) AGAINST ('entry' IN NATURAL LANGUAGE MODE)