尝试这个：
SELECT LOWER(CONCAT_Ws(title,description)) AS concatenated WHERe concatenated LIKE '%searchterm%'
或（让您看到差异）
SELECT LOWER(CONCAT_Ws(title,description)) AS concatenated WHERe concatenated LIKE LOWER('%SearchTerm%')
尝试这个：
SELECT LOWER(CONCAT_Ws(title,description)) AS concatenated WHERe concatenated LIKE '%searchterm%'
或（让您看到差异）
SELECT LOWER(CONCAT_Ws(title,description)) AS concatenated WHERe concatenated LIKE LOWER('%SearchTerm%')名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
