sql中两行之间的差异

-- 选择要比较的两行数据
SELECT * FROM users WHERE id = 1 OR id = 2;

-- 比较两行之间的差异
IF (SELECT name FROM users WHERE id = 1) <> (SELECT name FROM users WHERE id = 2) THEN
    -- 处理差异，例如输出差异的字段值
    SELECT 'Name is different: ' || (SELECT name FROM users WHERE id = 1) || ' vs ' || (SELECT name FROM users WHERE id = 2);
END IF;

IF (SELECT age FROM users WHERE id = 1) <> (SELECT age FROM users WHERE id = 2) THEN
    -- 处理差异，例如输出差异的字段值
    SELECT 'Age is different: ' || (SELECT age FROM users WHERE id = 1) || ' vs ' || (SELECT age FROM users WHERE id = 2);
END IF;

-- 继续比较其他字段...