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Database Technology Repeat CA ERD (Entity Relationship Diagram) i. Identify each of the entities ii. Identify2-3 attributes for each entity with a key attribute iii. Name the relationships for each of the binary pairs iv. Identify the degree of relationship for each of the binary pairs v. Decompose any many to many  relationships vi. Draw the completed Entity Relationship Model A restaurant manager wishes to set up a database to record the details of its customers, reservations for tables in the restaurant and the employees assigned to tables. Screenshot For each customer the database will record -- a customer number (unique), name, address and phone number. The details to be recorded for each table include - table number (unique), capacity. Customers make reservations for tables. The requested time and date of the reservation is recorded along with a unique reservation number. Each reservation is made by one customer and books one table. A customer will make a number of rese...

Goal: In this assignment, we want to implement the operational semantics of rst order languages and get a feeling for their importance for databases. Problem Statement: For this goal, you write an interpreter for formulae of the rst order language. The formulae used here have a free variable and are used to query a database that is given as part of the input. The query result is comprised of those values for the free variable that make the formula true. In order to make the interpretation of the formulae easier, we represent formulae in this assignment not in the in x notation that we use otherwise but in Polish notation, which eliminates parentheses and the need for operator precedence, and also makes the processing of the expression tree easier. As Boolean operators we use only & ; _;:. To make it possible to use predicates without parentheses, we furthermore require that every predicate name is used only for a single arity, i.e. if "mail" is used for a ternary predicat...

Database Technology Repeat CA ERD (Entity Relationship Diagram) i. Identify each of the entities ii. Identify2-3 attributes for each entity with a key attribute iii. Name the relationships for each of the binary pairs iv. Identify the degree of relationship for each of the binary pairs v. Decompose any many to many  relationships vi. Draw the completed Entity Relationship Model A restaurant manager wishes to set up a database to record the details of its customers, reservations for tables in the restaurant and the employees assigned to tables. For each customer the database will record -- a customer number (unique), name, address and phone number. The details to be recorded for each table include - table number (unique), capacity. Customers make reservations for tables. The requested time and date of the reservation is recorded along with a unique reservation number. Each reservation is made by one customer and books one table. A customer will make a number of reservations an...

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Shopping Cart Application: Using the techniques you learned in Section 29.8.2, create a simple shopping cart application. Display a list of books as an h:selectOneRadio element. When the user submits the form, store the user’s selection in a @SessionScoped managed bean. Allow the user to return to the list of books and make additional selections. Provide a link to view the shopping cart. On the shopping cart page, display the list of selections the user made, the price of each book and the total of all books in the cart. Code Snapshots: Output Screenshots: Home Page: Shopping Cart Page: Buy now CONTACT DETAILS For any other questions or other tasks please feel free to contact me via email: mhassnainjamil@gmail.com via WhatsApp: +92-324-7042178 via skype: hassnainjamil1

Cash Register program in Java 1. The driver class should initially fill the register with 0x$100, 0x$50, 10x$20, 20x$10, 20x$5, 0x$2, 50x$1, 80x$0.25, 50x$0.10, 20x$0.05, 100x$0.01 2. The program should ask the user the following: Make a sale make change print balances exit 3. For a sale: the program class should prompt for the cost and how much of each type of currency were given 4. If the register can not make the correct change, print an appropriate message 5. For making change: the program should ask which currency is being provided and how much of that currency, then it should output what currency is being given - example, make change, provide 4 quarters, register gives 1x$1 - example, make change, provide 50 dimes, register gives 1x$5 OR 5x$1 OR 4x$1, 4x$0.25 6. For print balances, just show what is currently in the register of every currency 7. Calculate Big-Oh for all 3 processes 8. Calculate actual operations for making a sale and print out (don't forget to include the cos...