diff --git a/Attribute.h b/Attribute.h
index fb3fd48..50949a1 100755
--- a/Attribute.h
+++ b/Attribute.h
@@ -46,10 +46,5 @@ public:
 		{
 			cout<<values[i]<<"      ";
 		}
-	}
-	
-	void erase(int position)
-	{
-		values.erase(values.begin()+ position);
 	}	
 };
diff --git a/DBEngine.h b/DBEngine.h
index c720c03..4834ed6 100755
--- a/DBEngine.h
+++ b/DBEngine.h
@@ -33,7 +33,7 @@ public:
 	
 	void saveToFile(vector<string> cmds) { 
 		ofstream file;
-		file.open("savefile.txt");
+		file.open("savefile.db");
 		
 		for(int i = 0; i < cmds.size(); ++i){
 			file << cmds[i] << endl;
@@ -42,10 +42,19 @@ public:
 		file.close();
 	}
 	
-	void insertTuple() { /*DONE*/ }
-	void deleteTuple() { /*DONE*/ }
-	void selectTuples() { /*DONE*/ }
+	void insertTuple(Relation r, vector<string> t) { r.addTuple(t); }
+	
+	//need to add find by name
+	void deleteTuple(Relation r, int n) { 
+		cout << "a";
+		r.removeTuple(n); }
+	
+	void selectTuples() {
+		// 
+	}
+	
 	void project(Relation r, string n) { r.projectQuery(n); }
+	
 	void product() { /*Brandon*/ }
 	
 	bool unionComp(Relation r1, Relation r2) { 
diff --git a/Relation.h b/Relation.h
index f8e7a49..85a9f15 100755
--- a/Relation.h
+++ b/Relation.h
@@ -31,7 +31,7 @@ public:
 		}
 	}
 	
-	void removeTuple(int tupleNum) {	
+	void removeTuple(int tupleNum) {
 		if (tupleNum > att[0].getSize() || tupleNum < 0)
 		{
 			cout<<"ERROR! index out of bound"<<endl;
@@ -39,10 +39,11 @@ public:
 		
 		else
 		{
-		
+			cout << "a" + att.size();
 			for(int i = 0; i < att.size(); ++i) //for all the attributes
 			{
-				att[i].erase(tupleNum);
+				cout << "SSSSSSSSSSSSSSSSSSSSSSSSSS" + tupleNum;
+				att[i].getValues().erase(att[i].getValues().begin()+ tupleNum);
 			}		
 		}
 	}
diff --git a/a.out b/a.out
index 6c65e5b..0204642 100755
Binary files a/a.out and b/a.out differ
diff --git a/savefile.txt b/savefile.db
similarity index 100%
rename from savefile.txt
rename to savefile.db
diff --git a/test.cpp b/test.cpp
index 1b99116..726d10d 100755
--- a/test.cpp
+++ b/test.cpp
@@ -44,6 +44,7 @@ int main() {
 	engine.createTable("table1", vec2);
 	engine.createTable("table2", vec);
 	engine.showTable(engine.getTableFromName("table1"));
+	cout << "\n\n";
 	
 	Attribute att5("name", "VARCHAR(20)", true);
 	att5.addRow("Yrf");
@@ -63,16 +64,26 @@ int main() {
 
 	engine.createTable("table3", vec3);
 	
-	cout << "\n";
-	cout << engine.unionComp(engine.getTableFromName("table1"), engine.getTableFromName("table2"));
-	cout << engine.unionComp(engine.getTableFromName("table1"), engine.getTableFromName("table3"));
-	cout << "\n";
+	//cout << "\n";
+	//cout << engine.unionComp(engine.getTableFromName("table1"), engine.getTableFromName("table2"));
+	//cout << engine.unionComp(engine.getTableFromName("table1"), engine.getTableFromName("table3"));
+	//cout << "\n";
 	
-	engine.project((engine.getTableFromName("table1")), "name");
+	//engine.project((engine.getTableFromName("table1")), "name");
 	
 	vector<string> cmds;
 	cmds.push_back("CREATE TABLE animals (name VARCHAR(20), kind VARCHAR(8), years INTEGER) PRIMARY KEY (name, kind);");
 	cmds.push_back("SHOW animals;");
 	
 	engine.saveToFile(cmds);
+	
+	vector<string> t;
+	t.push_back("Professor");
+	t.push_back("180");
+	
+	//engine.insertTuple((engine.getTableFromName("table1")), t);
+	engine.deleteTuple((engine.getTableFromName("table1")), 2);
+	
+	cout << "\n\n";
+	engine.showTable((engine.getTableFromName("table1")));
 }