diff --git a/db.cpp b/db.cpp
index 182fe97..3627734 100644
--- a/db.cpp
+++ b/db.cpp
@@ -24,9 +24,9 @@ void open_db(sqlite3* db) {
 void initialize_db(sqlite3* db) {
     // ugh, sqlite3_exec doesn't accept const strings, so i have to use const
     // char*
-    const char* customer_table = "create table Customer (id int, name varchar(50), card_code varchar(20), verhicle int)";
-    const char* parkspot_table = "create table Park_spot (id int, taken boolean, customer_id int)";
-    const char* parktime_table = "create table Park_time (id int, customer_id int, spot_id int, start real, end real, duration real)";
+    const char* customer_table = "create table Customer (id int primary key, name text, card_code varchar(20), verhicle int)";
+    const char* parkspot_table = "create table Park_spot (id int primary key, taken boolean, customer_id int)";
+    const char* parktime_table = "create table Park_time (id int primary key, customer_id int, spot_id int, start real, end real, duration real)";
     int success;
 
     success = sqlite3_exec(db, customer_table, callback, 0, &error_message);
diff --git a/main.cpp b/main.cpp
index 85751d9..1ccf7ac 100644
--- a/main.cpp
+++ b/main.cpp
@@ -33,8 +33,22 @@ int main() {
 
     // test
     sqlite3* db;
-    data::open_db(db);
-    cout << "PASS";
+
+    // opening the db. somehow, this does not work when placing inside a function. HALP
+
+    int status = sqlite3_open("database.sqlite", &db); // TODO: Name this better. works like main() in unix.
+    if (status) {
+        std::cout << "Can't open database: " << sqlite3_errmsg(db) << "\n";
+    }
+
+    // TODO: edit function to check if any of the table exists before creating them
+    // or a simple file that gets saved on first run, and the function checks if that 
+    // file exists to determine if it should create tables or not. 
     data::initialize_db(db);
     sqlite3_close(db);
+
+    /*
+    Creates tables, library seems to work so far.
+    Gonnay try using another library. This one works,but seems a bit of a pain
+    especially since it seems to be using c-style  'not modern' cpp */
 }