From ce07c94e0ec62a829e0d0c447ec4c932f0f78c3d Mon Sep 17 00:00:00 2001
From: Steve Lee <me@xiangyangli.com>
Date: Thu, 22 Dec 2016 19:26:20 +0800
Subject: add mysql note

---
 Note/mysql/having.md | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 Note/mysql/having.md

(limited to 'Note/mysql/having.md')

diff --git a/Note/mysql/having.md b/Note/mysql/having.md
new file mode 100644
index 0000000..3ff342e
--- /dev/null
+++ b/Note/mysql/having.md
@@ -0,0 +1,3 @@
+group_by having count(a) sum(a+b) > 2
+
+对某一个group的某些字段操作之后的filter
-- 
cgit v1.2.3