题解 | 得分不小于平均分的最低分

WITH
    temp AS (
        SELECT
            score
        FROM
            exam_record
            JOIN examination_info USING (exam_id)
        WHERE
            score IS NOT NULL
            AND tag = 'SQL'
    )
SELECT
    MIN(score) AS min_score_over_avg
FROM
    temp
WHERE
    score >= (
        SELECT
            AVG(score)
        FROM
            temp
    )

为啥老是报错：

程序异常退出, 请检查代码"是否有数组越界等异常"或者"是否有语法错误"

SQL_ERROR_INFO: "Unknown column 'uid' in 'field list'"