diff --git a/priv/sqlite3_drv.c b/priv/sqlite3_drv.c
index 6aa9a43..8d76d18 100644
--- a/priv/sqlite3_drv.c
+++ b/priv/sqlite3_drv.c
@@ -65,22 +65,24 @@ static void outputv(ErlDrvData handle, ErlIOVec *ev) {
   ErlDrvBinary* data = ev->binv[1];
   int command = data->orig_bytes[0]; // First byte is the command
   
-  // switch(command) {
-  // case CMD_PUT:
-  //   put(driver_data, ev);
-  //   break;
-  // 
-  // case CMD_GET:
-  //   get(driver_data, ev);
-  //   break;
-  // 
-  // case CMD_DEL:
-  //   del(driver_data, ev);
-  //   break;
-  // 
-  // default:
-  //   unkown(driver_data, ev);
-  // }
+  fprintf(stderr, "Command: %s\n", data->orig_bytes);
+  
+  switch(command) {
+    case CMD_LIST_TABLES:
+      list_tables(driver_data, ev);
+      break;
+  
+    // case CMD_GET:
+    //   get(driver_data, ev);
+    //   break;
+    //   
+    // case CMD_DEL:
+    //   del(driver_data, ev);
+    //   break;
+  
+    default:
+      unkown(driver_data, ev);
+  }
 }
 
 static void ready_async(ErlDrvData drv_data, ErlDrvThreadData thread_data)
@@ -88,6 +90,9 @@ static void ready_async(ErlDrvData drv_data, ErlDrvThreadData thread_data)
   
 }
 
+static void list_tables(sqlite3_drv_t *drv, ErlIOVec *ev) {
+}
+
 #if 0
 // Insert or replace record in the database
 static void put(sqlite3_drv_t *bdb_drv, ErlIOVec *ev) {
diff --git a/priv/sqlite3_drv.h b/priv/sqlite3_drv.h
index 5e25f54..4be71a4 100644
--- a/priv/sqlite3_drv.h
+++ b/priv/sqlite3_drv.h
@@ -9,9 +9,9 @@
 #define DB_PATH "./store.db"
 
 // Binary commands between Erlang VM and Driver
-#define CMD_PUT 1
-#define CMD_GET 2
-#define CMD_DEL 3
+#define CMD_LIST_TABLES 1
+#define CMD_SQL_EXEC 2
+// #define CMD_DEL 3
 
 // Number of bytes for each key
 // (160 bits for SHA1 hash)
@@ -29,7 +29,7 @@ static ErlDrvData start(ErlDrvPort port, char* cmd);
 static void stop(ErlDrvData handle);
 static void outputv(ErlDrvData handle, ErlIOVec *ev);
 static void ready_async(ErlDrvData drv_data, ErlDrvThreadData thread_data);
-// static void put(bdb_drv_t *bdb_drv, ErlIOVec *ev);
+static void list_tables(sqlite3_drv_t *drv, ErlIOVec *ev);
 // static void get(bdb_drv_t *bdb_drv, ErlIOVec *ev);
 // static void del(bdb_drv_t *bdb_drv, ErlIOVec *ev);
 static void unkown(sqlite3_drv_t *bdb_drv, ErlIOVec *ev);