diff --git a/数据库/oracle/修改密码.md b/数据库/oracle/修改密码.md
new file mode 100644
index 0000000..3d987cc
--- /dev/null
+++ b/数据库/oracle/修改密码.md
@@ -0,0 +1,8 @@
+### 1.查询用户
+```sql
+select username from dba_users;
+```
+### 2.修改密码
+```sql
+alter user xxx identified by xxxx;
+```
\ No newline at end of file