From d8a37d084f04720209569bab3e2003101d0fdc5c Mon Sep 17 00:00:00 2001
From: larry <azoux0311@gmail.com>
Date: Wed, 16 Nov 2022 12:57:08 +0800
Subject: [PATCH] doc: mysql.md modify column (#98)

---
 docs/mysql.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/docs/mysql.md b/docs/mysql.md
index 3c2d01b..d338130 100644
--- a/docs/mysql.md
+++ b/docs/mysql.md
@@ -173,6 +173,12 @@ ALTER TABLE t1 RENAME TO t2;
 ALTER TABLE t1 RENAME c1 TO c2 ;
 ```
 
+将列c1的数据类型改为datatype
+
+```sql
+ALTER TABLE t1 MODIFY c1 datatype;
+```
+
 删除表中的所有数据
 
 ```sql