LeetCode 1082~1084 mysql

Author: LjyYano

solution/1000-1099/1082.Sales Analysis I/README.md

@@ -13,23 +13,17 @@ None
 
 <!-- tabs:start -->
 
-### **Python3**
-<!-- 这里可写当前语言的特殊实现逻辑 -->
+### **SQL**
 
-```python
-
-```
-
-### **Java**
-<!-- 这里可写当前语言的特殊实现逻辑 -->
-
-```java
-
-```
-
-### **...**
 ```
-
+SELECT seller_id
+FROM Sales
+GROUP BY  seller_id
+HAVING sum(price) = 
+    (SELECT sum(price) AS s
+    FROM Sales
+    GROUP BY  seller_id
+    ORDER BY  s DESC limit 1)
 ```
 
-<!-- tabs:end -->
+<!-- tabs:end -->

solution/1000-1099/1082.Sales Analysis I/README_EN.md

@@ -11,21 +11,17 @@ None
 
 <!-- tabs:start -->
 
-### **Python3**
+### **SQL**
 
-```python
-
-```
-
-### **Java**
-
-```java
-
-```
-
-### **...**
 ```
-
+SELECT seller_id
+FROM Sales
+GROUP BY  seller_id
+HAVING sum(price) = 
+    (SELECT sum(price) AS s
+    FROM Sales
+    GROUP BY  seller_id
+    ORDER BY  s DESC limit 1)
 ```
 
-<!-- tabs:end -->
+<!-- tabs:end -->

solution/1000-1099/1082.Sales Analysis I/Solution.sql

@@ -0,0 +1,8 @@
+SELECT seller_id
+FROM Sales
+GROUP BY  seller_id
+HAVING sum(price) =
+    (SELECT sum(price) AS s
+    FROM Sales
+    GROUP BY  seller_id
+    ORDER BY  s DESC limit 1)

solution/1000-1099/1083.Sales Analysis II/README.md

@@ -13,23 +13,16 @@ None
 
 <!-- tabs:start -->
 
-### **Python3**
-<!-- 这里可写当前语言的特殊实现逻辑 -->
+### **SQL**
 
-```python
-
-```
-
-### **Java**
-<!-- 这里可写当前语言的特殊实现逻辑 -->
-
-```java
-
-```
-
-### **...**
 ```
-
+SELECT s.buyer_id
+FROM Sales s
+JOIN Product p
+    ON s.product_id = p.product_id
+GROUP BY  s.buyer_id
+HAVING sum(p.product_name='S8')>0
+        AND sum(p.product_name='iPhone')=0
 ```
 
-<!-- tabs:end -->
+<!-- tabs:end -->

solution/1000-1099/1083.Sales Analysis II/README_EN.md

@@ -11,21 +11,16 @@ None
 
 <!-- tabs:start -->
 
-### **Python3**
+### **SQL**
 
-```python
-
-```
-
-### **Java**
-
-```java
-
-```
-
-### **...**
 ```
-
+SELECT s.buyer_id
+FROM Sales s
+JOIN Product p
+    ON s.product_id = p.product_id
+GROUP BY  s.buyer_id
+HAVING sum(p.product_name='S8')>0
+        AND sum(p.product_name='iPhone')=0
 ```
 
-<!-- tabs:end -->
+<!-- tabs:end -->

solution/1000-1099/1083.Sales Analysis II/Solution.sql

@@ -0,0 +1,7 @@
+SELECT s.buyer_id
+FROM Sales s
+JOIN Product p
+    ON s.product_id = p.product_id
+GROUP BY  s.buyer_id
+HAVING sum(p.product_name='S8')>0
+        AND sum(p.product_name='iPhone')=0

solution/1000-1099/1084.Sales Analysis III/README.md

@@ -13,23 +13,16 @@ None
 
 <!-- tabs:start -->
 
-### **Python3**
-<!-- 这里可写当前语言的特殊实现逻辑 -->
+### **SQL**
 
-```python
-
-```
-
-### **Java**
-<!-- 这里可写当前语言的特殊实现逻辑 -->
-
-```java
-
-```
-
-### **...**
 ```
-
+SELECT s.product_id,
+        p.product_name
+FROM Sales s, Product p
+WHERE s.product_id = p.product_id
+GROUP BY  s.product_id
+HAVING sum(sale_date < '2019-01-01') = 0
+        AND sum(sale_date > '2019-03-31') = 0
 ```
 
-<!-- tabs:end -->
+<!-- tabs:end -->

solution/1000-1099/1084.Sales Analysis III/README_EN.md

@@ -11,21 +11,16 @@ None
 
 <!-- tabs:start -->
 
-### **Python3**
+### **SQL**
 
-```python
-
-```
-
-### **Java**
-
-```java
-
-```
-
-### **...**
 ```
-
+SELECT s.product_id,
+        p.product_name
+FROM Sales s, Product p
+WHERE s.product_id = p.product_id
+GROUP BY  s.product_id
+HAVING sum(sale_date < '2019-01-01') = 0
+        AND sum(sale_date > '2019-03-31') = 0
 ```
 
-<!-- tabs:end -->
+<!-- tabs:end -->

solution/1000-1099/1084.Sales Analysis III/Solution.sql

@@ -0,0 +1,7 @@
+SELECT s.product_id,
+        p.product_name
+FROM Sales s, Product p
+WHERE s.product_id = p.product_id
+GROUP BY  s.product_id
+HAVING sum(sale_date < '2019-01-01') = 0
+        AND sum(sale_date > '2019-03-31') = 0