diff --git a/samba_log.sql b/samba_log.sql
index 31a5e0f..1bf39c6 100644
--- a/samba_log.sql
+++ b/samba_log.sql
@@ -7,9 +7,9 @@ CREATE TABLE audit (
     client_ip            CHAR(15) NOT NULL,
     client_name          VARCHAR(50) NOT NULL,
     action               VARCHAR(15) NOT NULL,
-    access_mode          VARCHAR(2) default NULL,
+    access_mode          CHAR(1) default NULL,
     status               VARCHAR(10) NOT NULL,
     share                VARCHAR(30) NOT NULL,
-    file_src             VARCHAR(200) default NULL,
-    file_dst             VARCHAR(200) default NULL
+    file_src             VARCHAR(300) NOT NULL,
+    file_dst             VARCHAR(300) default NULL
 ) ENGINE=MYISAM;