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Commit 1946da0

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feat: update sql solution to lc problems: No.1435, No.2205 (doocs#1825)
1 parent 4ebb1b6 commit 1946da0

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6 files changed

+16
-22
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6 files changed

+16
-22
lines changed

‎solution/1400-1499/1435.Create a Session Bar Chart/README.md‎

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@@ -70,13 +70,13 @@ Sessions 表:
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### **SQL**
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```sql
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SELECT '[0-5>' AS bin, count(1) AS total FROM Sessions WHERE duration < 300
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SELECT '[0-5>' AS bin, COUNT(1) AS total FROM Sessions WHERE duration < 300
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UNION
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SELECT '[5-10>' AS bin, count(1) AS total FROM Sessions WHERE 300 <= duration AND duration < 600
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SELECT '[5-10>' AS bin, COUNT(1) AS total FROM Sessions WHERE 300 <= duration AND duration < 600
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UNION
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SELECT '[10-15>' AS bin, count(1) AS total FROM Sessions WHERE 600 <= duration AND duration < 900
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SELECT '[10-15>' AS bin, COUNT(1) AS total FROM Sessions WHERE 600 <= duration AND duration < 900
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UNION
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SELECT '15 or more' AS bin, count(1) AS total FROM Sessions WHERE 900 <= duration;
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SELECT '15 or more' AS bin, COUNT(1) AS total FROM Sessions WHERE 900 <= duration;
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```
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<!-- tabs:end -->

‎solution/1400-1499/1435.Create a Session Bar Chart/README_EN.md‎

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@@ -65,13 +65,13 @@ For session_id 5 has a duration greater than or equal to 15 minutes.
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### **SQL**
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```sql
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SELECT '[0-5>' AS bin, count(1) AS total FROM Sessions WHERE duration < 300
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SELECT '[0-5>' AS bin, COUNT(1) AS total FROM Sessions WHERE duration < 300
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UNION
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SELECT '[5-10>' AS bin, count(1) AS total FROM Sessions WHERE 300 <= duration AND duration < 600
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SELECT '[5-10>' AS bin, COUNT(1) AS total FROM Sessions WHERE 300 <= duration AND duration < 600
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UNION
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SELECT '[10-15>' AS bin, count(1) AS total FROM Sessions WHERE 600 <= duration AND duration < 900
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SELECT '[10-15>' AS bin, COUNT(1) AS total FROM Sessions WHERE 600 <= duration AND duration < 900
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UNION
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SELECT '15 or more' AS bin, count(1) AS total FROM Sessions WHERE 900 <= duration;
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SELECT '15 or more' AS bin, COUNT(1) AS total FROM Sessions WHERE 900 <= duration;
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```
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<!-- tabs:end -->
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@@ -1,7 +1,7 @@
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SELECT '[0-5>' AS bin, count(1) AS total FROM Sessions WHERE duration < 300
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SELECT '[0-5>' AS bin, COUNT(1) AS total FROM Sessions WHERE duration < 300
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UNION
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SELECT '[5-10>' AS bin, count(1) AS total FROM Sessions WHERE 300 <= duration AND duration < 600
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SELECT '[5-10>' AS bin, COUNT(1) AS total FROM Sessions WHERE 300 <= duration AND duration < 600
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UNION
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SELECT '[10-15>' AS bin, count(1) AS total FROM Sessions WHERE 600 <= duration AND duration < 900
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SELECT '[10-15>' AS bin, COUNT(1) AS total FROM Sessions WHERE 600 <= duration AND duration < 900
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UNION
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SELECT '15 or more' AS bin, count(1) AS total FROM Sessions WHERE 900 <= duration;
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SELECT '15 or more' AS bin, COUNT(1) AS total FROM Sessions WHERE 900 <= duration;

‎solution/2200-2299/2205.The Number of Users That Are Eligible for Discount/README.md‎

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@@ -74,11 +74,9 @@ startDate = 2022年03月08日, endDate = 2022年03月20日, minAmount = 1000
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CREATE FUNCTION getUserIDs(startDate DATE, endDate DATE, minAmount INT) RETURNS INT
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BEGIN
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RETURN (
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# Write your MySQL query statement below.
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# Write your MySQL query statement below.
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SELECT COUNT(DISTINCT user_id) AS user_cnt
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FROM Purchases
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WHERE time_stamp BETWEEN startDate AND endDate AND amount >= minAmount;
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WHERE time_stamp BETWEEN startDate AND endDate AND amount >= minAmount
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);
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END
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```

‎solution/2200-2299/2205.The Number of Users That Are Eligible for Discount/README_EN.md‎

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@@ -64,11 +64,9 @@ Out of the three users, only User 3 is eligible for a discount.
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CREATE FUNCTION getUserIDs(startDate DATE, endDate DATE, minAmount INT) RETURNS INT
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BEGIN
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RETURN (
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# Write your MySQL query statement below.
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# Write your MySQL query statement below.
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SELECT COUNT(DISTINCT user_id) AS user_cnt
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FROM Purchases
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WHERE time_stamp BETWEEN startDate AND endDate AND amount >= minAmount;
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WHERE time_stamp BETWEEN startDate AND endDate AND amount >= minAmount
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);
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END
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```
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@@ -1,10 +1,8 @@
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CREATE FUNCTION getUserIDs(startDate DATE, endDate DATE, minAmount INT) RETURNS INT
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BEGIN
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RETURN (
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# Write your MySQL query statement below.
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# Write your MySQL query statement below.
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SELECT COUNT(DISTINCT user_id) AS user_cnt
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FROM Purchases
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WHERE time_stamp BETWEEN startDate AND endDate AND amount >= minAmount;
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WHERE time_stamp BETWEEN startDate AND endDate AND amount >= minAmount
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);
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END
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END

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