diff --git a/Post/Post/SqlFile.cs b/Post/Post/SqlFile.cs
new file mode 100644
index 0000000000000000000000000000000000000000..90010a8541aca5edf28f94c11fcd200bdc464e34
--- /dev/null
+++ b/Post/Post/SqlFile.cs
@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using System.IO;
+
+namespace Post
+{
+    public class SqlFile
+    {
+        public bool WriteFile(string ddlQuery, string alias)
+        {
+            bool isWrite = true;
+            string homePath = Environment.GetEnvironmentVariable("POST_HOME");
+            Console.WriteLine("WriteFile : " + ddlQuery);
+            string path = String.Format(@"{0}\\sql\\{1}_{2}.sql", homePath, alias, @DateTime.Now.ToString("yyyyMMddHHmm"));
+            Console.WriteLine("path : " + path);
+
+            try
+            {
+                using(File.Create(path))
+                {
+                    Console.WriteLine("파일 생성 성공");
+                }
+
+                StreamWriter writer = File.AppendText(path);
+                writer.WriteLine(ddlQuery);
+                writer.Close();
+                Console.WriteLine("파일 작성 성공");
+            } catch(Exception e)
+            {
+                Console.WriteLine("write file : " + e.ToString());
+                return false;
+            }
+            return isWrite;
+        }
+    }
+}