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What is the way a particular application views the data from the database that the application uses?
Sub schema is the way a particular application views the data from the database that the application uses.
DBMS, Programming
Question: Team Project Submission - Submit to the Unit 4 Group Project Area This version of the capstone project assignment is FOR GRADING this week. Submit to the group area the document containing completed Sections On ...
SQL Query Assignment - For this assignment you are to write your answers in a word document. This assignment is in three parts: Part A (reporting queries), Part B (query performance), Part C (query design). For this assi ...
Students will select a situation or problem from their company as a course project that can be solved using a database system. Using MS Access, or MS SQL Server Express, students will create a relational database model o ...
Assignment Queries, Functions and Triggers Database Systems Aims The aims of this assignment are to: formulate SQL queries; populate an RDBMS with a real dataset, and analyse the data; design test data for testing SQL qu ...
SQL Transactions Exercises Consider table Item(name,price) where name is a key, and the following two concurrent transactions. T1: Begin Transaction; Update Item Set price = 2*price Where name = 'pencil'; Insert Into Ite ...
Question: Create an ERD for the following scenario. A small company ABC wants a database to keep track of internal company information. Â Given the following information create an ERD. The ABC Company has several departm ...
You are in a real estate business renting apartments to customers. Your job is to define an appropriate schema using SQL DDL in MySQL. The relations are Property(Id, Address, NumberOfUnits), Unit(ApartmentNumber, Propert ...
We can represent a data set as a collection of object nodes and a collection of attribute nodes, where there is a link between each object and each attribute, and where the weight of that link is the value of the object ...
Question : Suppose we have two kinds of doctors: hospital doctors and family physicians. In addition to the doctor's id number, name, specialty, and years of experience, we want to record the hospital name for the hospit ...
Case Study: Problem 1 The case study company has experienced rapid growth in both the size of its client base and also in the services provided to clients. Unfortunately, the growth in data management policies, procedure ...
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