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added solution to lc:1112 #800

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Apr 20, 2022
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,15 @@ Enrollments 表:
### **SQL**

```sql

SELECT
student_id,
course_id,
grade
FROM (SELECT
*,
RANK() OVER (PARTITION BY student_id ORDER BY grade DESC, course_id) rk
FROM Enrollments) a
WHERE a.rk = 1;
```

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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,15 @@ Enrollments table:
### **SQL**

```sql

SELECT
student_id,
course_id,
grade
FROM (SELECT
*,
RANK() OVER (PARTITION BY student_id ORDER BY grade DESC, course_id) rk
FROM Enrollments) a
WHERE a.rk = 1;
```

<!-- tabs:end -->
Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
SELECT
student_id,
course_id,
grade
FROM (SELECT
*,
RANK() OVER (PARTITION BY student_id ORDER BY grade DESC, course_id) rk
FROM Enrollments) a
WHERE a.rk = 1;