mysql ,数据表vuln,有两条sql,第一条根据dispose_time分组,查询字段dispose_time,第二条sql根据create_time分组,查询create_time,将两条sql的结果合成一条sql,请给出sql语句
时间: 2024-06-02 12:13:44 浏览: 5
SELECT dispose_time, NULL AS create_time
FROM vuln
GROUP BY dispose_time
UNION
SELECT NULL AS dispose_time, create_time
FROM vuln
GROUP BY create_time;