Upload 169

Author: ggeerraarrdd

README.md

@@ -202,6 +202,7 @@ Because this project necessitated a framework to enable consistent daily practic
 | 166   | [Films selection with a twist](https://www.codewars.com/kata/644424f8d7bab510f1375d20)                                                                            | [Solution](solutions/166_films_selection_with_a_twist.md)                               | Codewars    | Medium       | `PERCENTILE_DISC`                                                   |
 | 167   | [SQL Basics: Raise to the Power](https://www.codewars.com/kata/594a8f653b5b4e8f3d000035)                                                                          | [Solution](solutions/167_sql_basics_raise_to_the_power.md)                              | Codewars    | Easy         | `^` or `POW()`                                                      |
 | 168   | [SQL Basics: Simple UNION ALL](https://www.codewars.com/kata/58112f8004adbbdb500004fe/sql)                                                                        | [Solution](solutions/168_sql_basics_simple_union_all.md)                                | Codewars    | Medium       |                                                                     |
+| 169   | [NPV Queries](https://leetcode.com/problems/npv-queries/description/)                                                                                             | [Solution](solutions/169_npv_queries.md)                                                | LeetCode    | Easy         |                                                                     |
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solutions/169_npv_queries.md

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+# SQL Everyday \#169
+
+## NPV Queries
+
+Site: LeetCode\
+Difficulty per Site: Easy
+
+## Problem
+
+Write a solution to find the `npv` of each query of the `Queries` table.
+
+Return the result table in *any order*. [[Full Description](https://leetcode.com/problems/npv-queries/description/)]
+
+## Submitted Solution
+
+```sql
+-- Submitted Solution
+SELECT
+    q.id
+    ,q.year
+    ,COALESCE(n.npv, 0) AS npv
+FROM Queries AS q
+LEFT JOIN NPV AS n ON q.id = n.id
+    AND q.year = n.year
+;
+```
+
+## Site Solution
+
+```sql
+-- LeetCode Solution 
+SELECT 
+  Q.id, 
+  Q.year, 
+  IFNULL(N.npv, 0) AS npv 
+FROM 
+  Queries Q 
+  LEFT JOIN NPV N ON Q.id = N.id 
+  AND Q.year = N.year;
+```
+
+## Notes
+
+TBD
+
+## NB
+
+TBD
+
+Go to [Index](../?tab=readme-ov-file#index)\
+Go to [Overview](../?tab=readme-ov-file)