toppings, sauce, crust, sides, size, customer, price, drinks, employees (not whole human resource), delivery methods, (office space leasing) Customer name, address, payment method, phone, email, order (ovens) (monthly sales) SaleDates, Inventory, boxes, promotions discounts, nutrition, employee number, schedule, tips, opening closing times,location, products, customer Loyality points, Vendors, equipment maintenance and schedules. wastage--menu--uniforms
Wednesday, January 8, 2020
Monday, November 25, 2019
Security Login, Posgresql
/* Permision consist of SQL commands-- SELECT, INSERT, UPDATE, EXCECUTE, DELETE, DROP. CREATE, ALTER Anything that is not granted is denied A user should be given all the permissions necessary to do what they need to do in the database But no more. */ Create role tenantrole; Grant SELECT on "Apartment" to tenantrole; Grant SELECT on "Lease" to tenantrole; Grant UPDATE on "Tenant" to Tenantrole; Grant SELECT on "Tenant" to tenantrole; Create role johnsmith with password 'password'; Grant tenantrole to johnsmith; Alter role johnsmith with login;
The test after logging in as johnsmith
Select * from "Apartment"; Update "Apartment" SET "Bedrooms"=3 WHERE "ApartmentNumber"=102;
Saturday, November 23, 2019
SQL for Postgresql
/* List all the tenants. List all the current maintenance requests. Which apartments are currently occupied? join apartment and lease Which apartments are empty? Left outer join with Apartment and Lease Update maintenance request 2 to give it a completion date of today. Insert a new tenant: Tammy Benedict, tbenedict@gmail.com, phone: 2065551200. She has no sub tenants Add a new 6 month lease starting today on apartment 205, standard deposit, no pets Record her first rent payment Turn in the SQL and screenshots of the the answers You may have to put the column and table names in double quotes if you made your database from lucidcharts */ Select * from "person"; Select * from donation; Select personlastname, personfirstname, personaddressStreet, personaddressCity From person inner join personaddress on person.personkey=personaddress.personkey; --outer join Select granttypename, grantapplication.granttypekey From granttype Left outer join grantapplication On granttype.granttypekey=grantapplication.grantTypekey Where grantapplication.granttypekey is null; --updates are to change existing records Select * from person where personkey=2; Update person Set Personlastname='Caroll', personemail='lindaCaroll@gmail.com' WHERE personkey=2; Insert into person(personlastname, personfirstname, personemail, personprimaryphone, persondateadded) Values('Nelson','Tom', 'tom.nelson@msn.com', '2065553233', current_date); select * from person where personlastname='Nelson'; Insert into Donation(personkey, donationamount, donationDate) Values(134, 500.00, current_date); Select * from donation where personkey =134;
Saturday, November 16, 2019
Code for Assignment 8 Video
Customer Class
''' Class called Customer Every customer has a name, number, email, phone and they can collect rewards points An object is collection of related functions. They all relate to one topic like customer. The idea is to make it easier to manage complex code by breaking it into the kinds of objects that actually make up the contents of the program abstraction encapsulation inheritance polymorphism ''' class Customer(): def __init__(self, number, name, phone, email, rewards): self.number=number self.name=name self.phone=phone self.email=email self.rewards=rewards def setPhone(self, phone): self.phone=phone def getPhone(self): return self.phone def getName(self): return self.name def getEmail(self): return self.email def getRewards(self): return self.rewards def addRewards(self, points): self.rewards += points def useRewards(self, points): self.rewards = self.rewards-points def __str__(self): return str(self.number) + ", " + self.name
Item Class
''' class item It will represent an item to purchase It will have a number, a name and a price ''' class Item(): def __init__(self, number, name, price): self.number=number self.name=name self.price=price def getNumber(self): return self.number def getName(self): return self.name def getPrice(self): return self.price
Purchase Class
''' Purchase class to show purchase of an item it will have a list of items and methods for Totaling the purchase and totaling the points str method that outputs basically a receipt ''' class Purchase(): def __init__(self): self.items=[] def addItem(self, item): self.items.append(item) def totalItems(self): total=0 for item in self.items: total += item.price return total def totalPoints(self): total=self.totalItems() points=int(total) return points def __str__(self): receipt="" for item in self.items: receipt =receipt + item.name +"\t\t" + str(item.price) + "\n" total = self.totalItems() receipt=receipt + "\t\t" + str(total) return receipt
Main
from customer import Customer from item import Item from purchase import Purchase def main(): cust=Customer(123, 'Steve', 'steve@spconger.com', '2065551234', 0) purch = Purchase() cont='y' while cont=='y': itemNumber=int(input('Enter item Number. ')) itemName=input("Enter item name ") itemPrice=float(input("Enter item price ")) item=Item(itemNumber, itemName, itemPrice) purch.addItem(item) cont=input("Add another item? y to continue. " ) cont=cont.lower() print(purch) cust.addRewards(purch.totalPoints()) print ("your total rewards are", cust.getRewards()) main()
Sunday, November 10, 2019
Customer and customer test code from peer 8 video
''' Class called Customer Every customer has a name, number, email, phone and they can collect rewards points An object is collection of related functions. They all relate to one topic like customer. The idea is to make it easier to manage complex code by breaking it into the kinds of objects that actually make up the contents of the program abstraction encapsulation inheritance polymorphism ''' class Customer(): def __init__(self, number, name, phone, email, rewards): self.number=number self.name=name self.phone=phone self.email=email self.rewards=rewards def setPhone(self, phone): self.phone=phone def getPhone(self): return self.phone def getName(self): return self.name def getEmail(self): return self.email def getRewards(self): return self.rewards def addRewards(self, points): self.rewards += points def useRewards(self, points): self.rewards = self.rewards-points def __str__(self): return str(self.number) + ", " + self.name
Customer test
from customer import Customer def main(): c1 = Customer(123, 'Joe Smith', '2065551234', 'js@gmail.com', 10) print(c1) c1.addRewards(20) print(c1.getRewards()) c1.useRewards(13) print(c1.getRewards()) print(c1.getEmail()) c2=Customer(234, 'Lynn Jones', '2065553456', 'Lynn@gamail.com',100) print("******************") print(c1) print() print(c2) main()
Monday, October 28, 2019
Intro to MySQL SQL
Use Sakila; Select * from actor; Select first_name, last_name from actor; Select last_name, first_name from actor order by last_name; Select last_name, first_name from actor order by last_name Desc; Select * from Address; Select * from Address where district = 'California'; Select * from Customer; Select * from Customer where Create_date >'2006-02-14'; Select * from payment; Select rental_id, amount from payment where amount > 5; /*join tables */ Select first_name, Last_name, Address, district from customer inner join address on customer.address_id=address.address_id where district='California'; Select first_name, Last_name, Address, city, district from customer inner join address on customer.address_id=address.address_id inner join City on city.city_id = address.city_id where district='California'; /*insert new records */ Select * from store; Insert into customer(store_id, first_name, last_name, address_id, active, create_date, last_update) Values(1,'Jennifer', 'Juniper', 1,1, current_timestamp, current_timestamp); Select * from staff; Select * from customer; Insert into rental(rental_date, Inventory_id, Customer_id, staff_id, last_update) Values(current_timestamp, 100, 600, 2, current_timestamp); Select * from Rental ORDER by rental_id desc;
if and while blocks
''' a=5 b=10 if a < b: print(a, "is smaller thant", b) elif a > b: print (a, " is bigger than ", b) else: print (a, "is equal to ",b) ''' def getGrade(): grade=-1 while grade < 0 or grade > 100: grade=int(input("Enter a grade between 0 and 100 ")) #if grade < 0 or grade > 100: #grade=-1 return grade def evaluateGrade(): g = getGrade() #if g == -1: #print ("Invalid Grade") #return if g > 90: print("you did great") elif g > 80: print(" you did good") elif g > 70: print("you passed") else: print("Sorry, you failed.") def main(): choice='y' while choice == 'y': evaluateGrade() choice=input("y to continue") choice.lower() main()
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