Upload 174

Author: ggeerraarrdd

README.md

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 [![eevveerryyddaayy release](https://img.shields.io/badge/eevveerryyddaayy-v1.3.0-blue.svg)](https://github.com/ggeerraarrdd/eevveerryyddaayy/)
-[![Solved](https://img.shields.io/badge/solved-173-green.svg)](#index)
+[![Solved](https://img.shields.io/badge/solved-174-green.svg)](#index)
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 # SQL Everyday
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 | 171   | [Total Traveled Distance](https://leetcode.com/problems/total-traveled-distance/description/)                                                                     | [Solution](solutions/171_total_traveled_distance.md)                                    | LeetCode    | Easy         |                                                                     |
 | 172   | [Create a Session Bar Chart](https://leetcode.com/problems/create-a-session-bar-chart/description/)                                                               | [Solution](solutions/172_create_a_session_bar_chart.md)                                 | LeetCode    | Easy         | Histogram bins w/ `UNION`, `CASE`                                   |
 | 173   | [Customers Who Bought Products A and B but Not C](https://leetcode.com/problems/customers-who-bought-products-a-and-b-but-not-c/description/)                     | [Solution](solutions/173_customers_who_bought_products_a_and_b_but_not_c.md)            | LeetCode    | Medium       | `STRING_AGG`                                                        |
+| 174   | [Highest Salaries Difference](https://leetcode.com/problems/highest-salaries-difference/description/)                                                             | [Solution](solutions/174_highest_salaries_difference.md)                                | LeetCode    | Easy         |                                                                     |
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solutions/174_highest_salaries_difference.md

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+# SQL Everyday \#174
+
+## Highest Salaries Difference
+
+Site: LeetCode\
+Difficulty per Site: Easy
+
+## Problem
+
+Write a solution to calculate the difference between the *highest* salaries in the *marketing* and *engineering* `department`. Output the absolute difference in salaries. [[Full Description](https://leetcode.com/problems/highest-salaries-difference/description/)]
+
+## Submitted Solution
+
+```sql
+-- Submitted Solution
+WITH cte AS (
+    SELECT
+        MAX(salary) FILTER (WHERE department = 'Engineering') AS engineering_sal
+        ,MAX(salary) FILTER (WHERE department = 'Marketing') AS marketing_sal
+    FROM Salaries
+)
+SELECT
+    ABS(engineering_sal - marketing_sal) AS salary_difference
+FROM
+```
+
+## Site Solution
+
+```sql
+-- LeetCode Solution 
+-- None
+```
+
+## Notes
+
+TBD
+
+## NB
+
+TBD
+
+Go to [Index](../?tab=readme-ov-file#index)\
+Go to [Overview](../?tab=readme-ov-file)