diff --git a/HelloWorld.hx b/HelloWorld.hx
new file mode 100644
index 0000000..05c3f62
--- /dev/null
+++ b/HelloWorld.hx
@@ -0,0 +1,5 @@
+class HelloWorld {
+	static public function main(): Void {
+		trace("Hello, World!");
+	}
+}
diff --git a/LANGUAGES.md b/LANGUAGES.md
index 83ae019..23d100f 100644
--- a/LANGUAGES.md
+++ b/LANGUAGES.md
@@ -97,3 +97,6 @@ install-rust:
 	
 install-scala:
 	sudo apt-get install scala -y
+
+install-sql
+	sqlplus -S / as sysdba @hello_world.sql
\ No newline at end of file
diff --git a/README.md b/README.md
index 9790b46..dbafc58 100644
--- a/README.md
+++ b/README.md
@@ -42,4 +42,7 @@
 34. [Ponylang](https://github.com/srbcheema1/Hello_world/blob/master/hello_world.pony)
 35. [Verilog](https://github.com/srbcheema1/Hello_world/blob/master/hello_world.v)
 36. [Kotlin](https://github.com/srbcheema1/Hello_world/blob/master/Hello_world.kt)
-37. [Fortran](https://github.com/srbcheema1/Hello_world/blob/master/hello_world.f90)
+37. [CDuce](https://github.com/srbcheema1/Hello_world/blob/master/hello_world.xsd)
+38. [ARDUINO](https://github.com/srbcheema1/Hello_world/blob/master/hello_world.ino)
+39. [Oracle](https://github.com/srbcheema1/Hello_world/blob/master/hello_world.sql)
+40. [Fortran](https://github.com/srbcheema1/Hello_world/blob/master/hello_world.f90)
diff --git a/hello_world.fet b/hello_world.fet
new file mode 100644
index 0000000..c723295
--- /dev/null
+++ b/hello_world.fet
@@ -0,0 +1 @@
+Make slave scream "Hello, World!"
diff --git a/hello_world.ino b/hello_world.ino
new file mode 100644
index 0000000..22846e0
--- /dev/null
+++ b/hello_world.ino
@@ -0,0 +1,12 @@
+// Hello world in the Arduino programming language
+
+void setup()
+{
+  Serial.begin(9600);
+  Serial.println("Hello, world!");
+}
+
+void loop()
+{
+  
+}
diff --git a/hello_world.sql b/hello_world.sql
new file mode 100644
index 0000000..5ded760
--- /dev/null
+++ b/hello_world.sql
@@ -0,0 +1,3 @@
+set head off
+select 'Hello World' from dual;
+exit
\ No newline at end of file
diff --git a/hello_world.xsd b/hello_world.xsd
new file mode 100644
index 0000000..6afaf24
--- /dev/null
+++ b/hello_world.xsd
@@ -0,0 +1,3 @@
+(* Hello World in CDuce *)
+
+print "Hello World!\n";;