diff --git a/p1/README.txt b/p1/README.txt
new file mode 100644
index 0000000..5530fbf
--- /dev/null
+++ b/p1/README.txt
@@ -0,0 +1,15 @@
+(a) What have you observed to be the fastest Load operation?
+    [X] Main-memory Load. [ ] MapDB Load
+
+(b) Why do you think that load operation was faster?
+    Main memory is higher on the memory hiearchy than disk.
+
+(c) What have you observed to be the fastest Select operation?
+    [ ] File Select [X] Main-memory Select. [ ] MapDB Select
+
+(d) Why do you think that select operation was faster?
+    Main memory is higher on the memory hiearchy than disk.
+
+(e) What are the benefits of using the embedded database as backend compare to the in-
+memory storage?
+    Much more storage is available on disk via the embedded database than in main memory.
diff --git a/p1/src/main/java/cs448/project1.java b/p1/src/main/java/cs448/project1.java
index 65a43e8..05e2eff 100644
--- a/p1/src/main/java/cs448/project1.java
+++ b/p1/src/main/java/cs448/project1.java
@@ -104,6 +104,6 @@ public class project1 {
     }
 
     String select_mapdb(String key){
-        return mm_map.get(key);
+        return mapdb.get(key);
     }
 }
diff --git a/p1/test b/p1/test
index ee582cb..8a26fcb 100755
--- a/p1/test
+++ b/p1/test
@@ -1,7 +1,6 @@
 #! /bin/bash
 
 testCase() {
-    rm ./data.db
     java -cp ./target/cs448p1-1.0-SNAPSHOT-jar-with-dependencies.jar -Xmx32m cs448.App "$1" "$2" "$3"
 }
 
@@ -15,22 +14,29 @@ testCase $data_10 $file nm0000001
 testCase $data_10 $file nm0028516
 testCase $data_10 $file nm0072686
 testCase $data_10 $file nm0438120
-testCase $data_10 $mem nm0000001
-testCase $data_10 $mem nm0028516
-testCase $data_10 $mem nm0072686
-testCase $data_10 $mem nm0438120
-testCase $data_10 $db nm0000001
-testCase $data_10 $db nm0028516
-testCase $data_10 $db nm0072686
-testCase $data_10 $db nm0438120
+
 testCase $data_30 $file nm0000001
 testCase $data_30 $file nm0028516
 testCase $data_30 $file nm0072686
 testCase $data_30 $file nm0438120
+
+testCase $data_10 $mem nm0000001
+testCase $data_10 $mem nm0028516
+testCase $data_10 $mem nm0072686
+testCase $data_10 $mem nm0438120
+
 testCase $data_30 $mem nm0000001
 testCase $data_30 $mem nm0028516
 testCase $data_30 $mem nm0072686
 testCase $data_30 $mem nm0438120
+
+rm ./data.db
+testCase $data_10 $db nm0000001
+testCase $data_10 $db nm0028516
+testCase $data_10 $db nm0072686
+testCase $data_10 $db nm0438120
+
+rm ./data.db
 testCase $data_30 $db nm0000001
 testCase $data_30 $db nm0028516
 testCase $data_30 $db nm0072686