the most common type of database is called relational database management system (rdbms)which uses tables that are organized into records and fields (just like table you might draw on sheet of papereach field is part of column of the same kind of informationsuch as the customer' name tables are related to each other in various waysso creating complex relationships is possible for exampleeach customer may have one or more entries in purchase order tableand the customer table and the purchase order table are therefore related to each other an rdbms relies on special language called the structured query language (sqlto access the individual records inside of courseyou need some means of interacting with both the rdbms and sqlwhich is where sqlalchemy (amount of work needed to ask the database to perform tasks such as returning specific customer recordcreating new customer recordupdating an existing customer recordand deleting an old customer record seeing the world using google maps geocoding (the finding of geographic coordinatessuch as longitude and latitude from geographic datasuch as addresshas lots of uses in the world today people use the information to do everything from finding good restaurant to locating lost hiker in the mountains getting from one place to another often revolves around geocoding today as well google maps (in addition to getting from one point to another or finding lost soul in the desertgoogle maps can also help in geographic information system (gisapplications the "helping people decide on locationsection of describes this particular technology in more detailbut essentiallygis is all about deciding on location for something or determining why one location works better than another location for particular task in shortgoogle maps presents your application with look at the outside world that it can use to help your user make decisions adding graphical user interface using tkinter users respond to the graphical user interface (guibecause it' friendlier and requires less thought than using command-line interface many products out there can give your python application gui howeverthe most