fix: update

Author: yanglbme

solution/3200-3299/3214.Year on Year Growth Rate/README.md

@@ -138,12 +138,12 @@ transaction_id 列唯一标识了表中的每一列。
 # Write your MySQL query statement below
 WITH
     T AS (
-        SELECT product_id, YEAR(transaction_date) year, SUM(spend) tot_spend
+        SELECT product_id, YEAR(transaction_date) year, SUM(spend) curr_year_spend
         FROM user_transactions
         GROUP BY 1, 2
     ),
     S AS (
-        SELECT t1.year, t1.product_id, t1.tot_spend curr_year_spend, t2.tot_spend prev_year_spend
+        SELECT t1.year, t1.product_id, t1.curr_year_spend, t2.curr_year_spend prev_year_spend
         FROM
             T t1
             LEFT JOIN T t2 ON t1.product_id = t2.product_id AND t1.year = t2.year + 1

solution/3200-3299/3214.Year on Year Growth Rate/README_EN.md

@@ -137,12 +137,12 @@ We can first group by `product_id` and `year(transaction_date)` to perform the s
 # Write your MySQL query statement below
 WITH
     T AS (
-        SELECT product_id, YEAR(transaction_date) year, SUM(spend) tot_spend
+        SELECT product_id, YEAR(transaction_date) year, SUM(spend) curr_year_spend
         FROM user_transactions
         GROUP BY 1, 2
     ),
     S AS (
-        SELECT t1.year, t1.product_id, t1.tot_spend curr_year_spend, t2.tot_spend prev_year_spend
+        SELECT t1.year, t1.product_id, t1.curr_year_spend, t2.curr_year_spend prev_year_spend
         FROM
             T t1
             LEFT JOIN T t2 ON t1.product_id = t2.product_id AND t1.year = t2.year + 1

solution/3200-3299/3214.Year on Year Growth Rate/Solution.sql

@@ -1,12 +1,12 @@
 # Write your MySQL query statement below
 WITH
     T AS (
-        SELECT product_id, YEAR(transaction_date) year, SUM(spend) tot_spend
+        SELECT product_id, YEAR(transaction_date) year, SUM(spend) curr_year_spend
         FROM user_transactions
         GROUP BY 1, 2
     ),
     S AS (
-        SELECT t1.year, t1.product_id, t1.tot_spend curr_year_spend, t2.tot_spend prev_year_spend
+        SELECT t1.year, t1.product_id, t1.curr_year_spend, t2.curr_year_spend prev_year_spend
         FROM
             T t1
             LEFT JOIN T t2 ON t1.product_id = t2.product_id AND t1.year = t2.year + 1