SQL：字段OR字段2喜歡％entry％

Question

是否有一種更簡單/更有效的方式來執行以下WHERE條件：

WHERE (Field LIKE %entry% OR Field2 LIKE %entry%)
AND (Field LIKE %entry2% OR Field2 LIKE %entry2%)

Answer 1

請同時參考以下鏈接 ：

SELECT  *
FROM    mytable
WHERE   MATCH(filed, field2) AGAINST ('entry' IN NATURAL LANGUAGE MODE)

Answer 2

AND (Field LIKE %entry2% OR Field2 LIKE %entry2%)

這部分是

(Field LIKE %entry% OR Field2 LIKE %entry%)

您可以忽略它。

Answer 3

您可以這樣做：

where concat_ws(' ', field1, field2) like '%entry%' and
      concat_ws(' ', field1, field2) like '%entry2%'

性能應大致相同。

如果要提高性能，請考慮全文。