SUM() 函数的使用

2024-11-19 15:21:51 +08:00
parent cb3e0fd205
commit 00c9df9497
1 changed files with 16 additions and 0 deletions
--- a/数据库/头歌/SUM()
+++ b/数据库/头歌/SUM()
@@ -0,0 +1,16 @@
+USE Mall
+GO
+
+SET NOCOUNT ON
+
+------ return the amount of all products ------
+-- ********** Begin ********** --
+
+SELECT SUM(prod_price * quantity) as amount
+FROM Products
+
+-- ********** End ********** --
+
+GO
+
+