use aliases to save some typing #109

DB/pyapp/retrieveFromTable.py

@@ -18,11 +18,9 @@
     with conexion:
         with conexion.cursor() as cursor:
             sentencia = '''
-            SELECT W1.city, W1.temp_lo AS low, W1.temp_hi AS high,
-    W2.city, W2.temp_lo AS low, W2.temp_hi AS high
-            FROM weather W1, weather W2
-            WHERE W1.temp_lo < W2.temp_lo
-            AND W1.temp_hi > W2.temp_hi;
+            SELECT *
+            FROM weather w, cities c
+            WHERE w.city = c.name;
             '''
             cursor.execute(sentencia)
             registros = cursor.fetchall()