複数の列で検索用語を検索

Question

複数の列で用語を検索する方法：title、contentたとえば：

$searchTerm = 'android'; 

SELECT * FROM posts WHERE `title` OR `content` contains $SearchTerm 

Answer 1

SELECT * 
FROM posts 
WHERE 
    `title` LIKE '%android%' 
OR `content` LIKE '%android%' 

Answer 2

$sql = "SELECT * FROM posts WHERE `title` LIKE '%$SearchTerm%' OR `content` LIKE '%$SearchTerm%'"; 

Answer 3

SELECT 
    * 
FROM 
    posts 
WHERE 
    lower(`title`) LIKE '%android%' 
    OR lower(`content`) LIKE '%android%'