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feat: update sql solution to lc problem: No.1435 #1824

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Merged
merged 2 commits into from
Oct 16, 2023
Merged

feat: update sql solution to lc problem: No.1435 #1824

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5c3cac6
feat: update sql solution to lc problem: No.1435
thinkasany Oct 16, 2023
3a83dda
fix: bin
thinkasany Oct 16, 2023
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48 changes: 4 additions & 44 deletions solution/1400-1499/1435.Create a Session Bar Chart/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -70,53 +70,13 @@ Sessions 表：
### **SQL**

```sql
(
SELECT
'[0-5>' AS bin,
SUM(
CASE
WHEN duration / 60 < 5 THEN 1
ELSE 0
END
) AS total
FROM Sessions
)
SELECT '[0-5>' AS bin, count(1) AS total FROM Sessions WHERE duration < 300
UNION
(
SELECT
'[5-10>' AS bin,
SUM(
CASE
WHEN (duration / 60 >= 5 AND duration / 60 < 10) THEN 1
ELSE 0
END
) AS total
FROM Sessions
)
SELECT '[5-10>' AS bin, count(1) AS total FROM Sessions WHERE 300 <= duration AND duration < 600
UNION
(
SELECT
'[10-15>' AS bin,
SUM(
CASE
WHEN (duration / 60 >= 10 AND duration / 60 < 15) THEN 1
ELSE 0
END
) AS total
FROM Sessions
)
SELECT '[10-15>' AS bin, count(1) AS total FROM Sessions WHERE 600 <= duration AND duration < 900
UNION
(
SELECT
'15 or more' AS bin,
SUM(
CASE
WHEN duration / 60 >= 15 THEN 1
ELSE 0
END
) AS total
FROM Sessions
);
SELECT '15 or more' AS bin, count(1) AS total FROM Sessions WHERE 900 <= duration;
```

<!-- tabs:end -->
48 changes: 4 additions & 44 deletions solution/1400-1499/1435.Create a Session Bar Chart/README_EN.md
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Original file line number Diff line number Diff line change
Expand Up @@ -65,53 +65,13 @@ For session_id 5 has a duration greater than or equal to 15 minutes.
### **SQL**

```sql
(
SELECT
'[0-5>' AS bin,
SUM(
CASE
WHEN duration / 60 < 5 THEN 1
ELSE 0
END
) AS total
FROM Sessions
)
SELECT '[0-5>' AS bin, count(1) AS total FROM Sessions WHERE duration < 300
UNION
(
SELECT
'[5-10>' AS bin,
SUM(
CASE
WHEN (duration / 60 >= 5 AND duration / 60 < 10) THEN 1
ELSE 0
END
) AS total
FROM Sessions
)
SELECT '[5-10>' AS bin, count(1) AS total FROM Sessions WHERE 300 <= duration AND duration < 600
UNION
(
SELECT
'[10-15>' AS bin,
SUM(
CASE
WHEN (duration / 60 >= 10 AND duration / 60 < 15) THEN 1
ELSE 0
END
) AS total
FROM Sessions
)
SELECT '[10-15>' AS bin, count(1) AS total FROM Sessions WHERE 600 <= duration AND duration < 900
UNION
(
SELECT
'15 or more' AS bin,
SUM(
CASE
WHEN duration / 60 >= 15 THEN 1
ELSE 0
END
) AS total
FROM Sessions
);
SELECT '15 or more' AS bin, count(1) AS total FROM Sessions WHERE 900 <= duration;
```

<!-- tabs:end -->
48 changes: 4 additions & 44 deletions solution/1400-1499/1435.Create a Session Bar Chart/Solution.sql
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Open in desktop
Original file line number Diff line number Diff line change
@@ -1,47 +1,7 @@
(
SELECT
'[0-5>' AS bin,
SUM(
CASE
WHEN duration / 60 < 5 THEN 1
ELSE 0
END
) AS total
FROM Sessions
)
SELECT '[0-5>' AS bin, count(1) AS total FROM Sessions WHERE duration < 300
UNION
(
SELECT
'[5-10>' AS bin,
SUM(
CASE
WHEN (duration / 60 >= 5 AND duration / 60 < 10) THEN 1
ELSE 0
END
) AS total
FROM Sessions
)
SELECT '[5-10>' AS bin, count(1) AS total FROM Sessions WHERE 300 <= duration AND duration < 600
UNION
(
SELECT
'[10-15>' AS bin,
SUM(
CASE
WHEN (duration / 60 >= 10 AND duration / 60 < 15) THEN 1
ELSE 0
END
) AS total
FROM Sessions
)
SELECT '[10-15>' AS bin, count(1) AS total FROM Sessions WHERE 600 <= duration AND duration < 900
UNION
(
SELECT
'15 or more' AS bin,
SUM(
CASE
WHEN duration / 60 >= 15 THEN 1
ELSE 0
END
) AS total
FROM Sessions
);
SELECT '15 or more' AS bin, count(1) AS total FROM Sessions WHERE 900 <= duration;