added BusinessDAO

lib/DB/BusinessDAO.py

@@ -0,0 +1,15 @@
+from .DbManager import DbManager
+
+
+class BusinessDAO:
+    def __init__(self):
+        self.__con = DbManager().getConnection()
+        self.__cur = self.__con.cursor()
+
+    def getBusiness(self):
+        self.__cur.callproc("getCustomerView")
+        self.__all_cols = [desc[0] for desc in self.__cur.description]
+        return  self.__cur.fetchall(), self.__all_cols
+
+    def addBusiness(self):
+        pass