From b339f607772b80ff806c04ce20ade03a1729ad22 Mon Sep 17 00:00:00 2001
From: 28810 <28810@YEXIANGQIN>
Date: Mon, 7 Jan 2019 22:05:28 +0800
Subject: [PATCH] update

---
 Docs/expression.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Docs/expression.md b/Docs/expression.md
index d914ac25..9566aa3f 100644
--- a/Docs/expression.md
+++ b/Docs/expression.md
@@ -135,7 +135,7 @@
 | a.ToString() | cast(a as varchar) | cast(a as varchar) | - | to_char(a) |
 
 ### 数学函数
-| 表达式 | MySql | SqlServer | PostgreSQL |
+| 表达式 | MySql | SqlServer | PostgreSQL | Oracle |
 | - | - | - | - | - |
 | Math.Abs(a) | abs(a) | abs(a) | abs(a) |
 | Math.Acos(a) | acos(a) | acos(a) | acos(a) | acos(a) |