feat: add solutions lc problem: No.1607

No.1607.Sellers With No Sales

Author: yanglbme

solution/1600-1699/1607.Sellers With No Sales/README.md

@@ -113,7 +113,17 @@ Frank在2019年卖出1次, 在2020年没有卖出.</pre>
 ### **SQL**
 
 ```sql
-
+# Write your MySQL query statement below
+select
+    seller_name
+from
+    seller s
+    left join orders o on s.seller_id = o.seller_id
+    and year(sale_date) = '2020'
+where
+    o.seller_id is null
+order by
+    seller_name
 ```
 
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solution/1600-1699/1607.Sellers With No Sales/README_EN.md

@@ -109,7 +109,17 @@ Frank made 1 sale in 2019 but no sales in 2020.
 ### **SQL**
 
 ```sql
-
+# Write your MySQL query statement below
+select
+    seller_name
+from
+    seller s
+    left join orders o on s.seller_id = o.seller_id
+    and year(sale_date) = '2020'
+where
+    o.seller_id is null
+order by
+    seller_name
 ```
 
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solution/1600-1699/1607.Sellers With No Sales/Solution.sql

@@ -0,0 +1,11 @@
+# Write your MySQL query statement below
+select
+    seller_name
+from
+    seller s
+    left join orders o on s.seller_id = o.seller_id
+    and year(sale_date) = '2020'
+where
+    o.seller_id is null
+order by
+    seller_name

solution/1800-1899/1873.Calculate Special Bonus/README.md

@@ -98,4 +98,21 @@ FROM
     employees;
 ```
 
+```sql
+# Write your MySQL query statement below
+SELECT
+    employee_id,
+    CASE
+        WHEN (
+            employee_id % 2 = 1
+            AND NAME NOT LIKE "M%"
+        ) THEN salary
+        ELSE 0
+    END AS bonus
+FROM
+    Employees
+ORDER BY
+    employee_id
+```
+
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solution/1800-1899/1873.Calculate Special Bonus/README_EN.md

@@ -90,4 +90,21 @@ FROM
     employees;
 ```
 
+```sql
+# Write your MySQL query statement below
+SELECT
+    employee_id,
+    CASE
+        WHEN (
+            employee_id % 2 = 1
+            AND NAME NOT LIKE "M%"
+        ) THEN salary
+        ELSE 0
+    END AS bonus
+FROM
+    Employees
+ORDER BY
+    employee_id
+```
+
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