daviddoji-cs50/problems/2024/sql/moneyball@20260428T125529.573641495Z

1.sql

@@ -0,0 +1,8 @@
+-- write a SQL query to find the average player salary by year.
+--     Sort by year in descending order.
+--     Round the salary to two decimal places and call the column “average salary”.
+--     Your query should return a table with two columns, one for year and one for average salary.
+SELECT "year", ROUND(AVG("salary"), 2) AS "average salary"
+FROM "salaries"
+GROUP BY "year"
+ORDER BY "year" DESC;