SELECT
stu_num,
stu_name,
AVG(score) AS avg_score
FROM
student
GROUP BY
stu_num,
s
2023-07-13 09:14
114
0
0
0
MySQL批量更新数据的SQL语句如下所示：
UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;
2023-06-27 09:19
123
0
0
0
select student.name, course.name, score.score
from student
inner join score on score.student_id=student.
2023-07-13 09:14
128
0
0
0
SELECT student_name, course_name,score FROM student_course WHERE score>70;
2023-07-13 09:14
132
0
0
0
SELECT S_NO,S_Name FROM student WHERE C_NO=03 AND S_Score>=80;
2023-07-13 09:14
150
0
0
0
这是一个 mySQL 错误，表明 INFORMATION_SCHEMA.GLOBAL_STATUS 功能被禁用了。这意味着用户无法查询全局状态信息，如果你想使用该功能，你需要给 INFORMATION_SCHEM
2023-07-03 08:48
124
0
0
0
1、清除主库上的复制信息：
```
mysql> RESET MASTER;
```
2、清除从库的复制信息：
```
mysql> RESET SLAVE;
```
3、在主库上清除从库的连接信息：
```
2023-07-03 08:55
125
0
0
0