COUNT() 函数的使用

2024-11-19 15:25:25 +08:00 · 2024-11-19 15:25:25 +08:00 · 9ccd5e1a89
commit 9ccd5e1a89
parent 1a2212ad54
1 changed files with 14 additions and 0 deletions
--- a/数据库/头歌/COUNT()
+++ b/数据库/头歌/COUNT()
@ -0,0 +1,14 @@
+USE Mall
+GO
+
+SET NOCOUNT ON
+
+------ return the number of product which price bigger than 10 -----
+-- ********** Begin ********** --
+SELECT COUNT(*) 
+FROM Products 
+WHERE prod_price > 10
+-- ********** End ********** --
+
+GO
+