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Define What are the desirable properties of a decomposition
Ans: What are the desirable properties of decomposition - dependency preserving. Because Lossless join and dependency preserving are the two goals of the decomposition.)
DBMS, Programming
IN SQL DEVELOPER Create a table UserPermissions (provide create and insert statements code) Document UserName Policy SYSTEM Menu JDOW W2 USAM Permissions SYSTEM W2 JDOW Form 1040 USAM Policy JDOW W2 SYSTEM Write a PL/SQL ...
Project Outline and Requirements Provide a brief description of the organization (can be hypothetical) that will be used as the basis for the projects in the course. Include company size, location(s), and other pertinent ...
Quesiton: 1. What is Data-Manipulation Language (DML)? There are four types of access in DML, explain each one. 2. Assume we have a Library Database consists of the following relations: author(author_id, first_name, last ...
Relational Database Design A) Given the following business rules, identify entity types, attributes (at least two attributes for each entity, including the primary key) and relationships, and then draw an Entity-Relation ...
SQL injection on a search The way Search performs its task is by executing the following query (in a php script): $var=stripslashes($_POST['search']); $query = "SELECT username from lab1_login where use ...
Suppose that you have designed a database for Morgan Importing that has the following tables: EMPLOYEE (EmployeeID, LastName, FirstName, Department, Phone, Fax, EmailAddress) STORE (StoreName, City, Country, Phone, Fax, ...
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 ...
Data Mining Assignment - In this assignment you are asked to explore the use of neural networks for classification and numeric prediction. You are also asked to carry out a data mining investigation on a real-world data ...
Database Design & Development Assignment - Assignment title - Design and Implement a Relational Database for a local Print and Ink Refill Business. Learning Outcome - Use an appropriate design tool to design a relational ...
Assignment - Scenario: Setup a Mock Phase 3 Clinical Trial for evaluating the efficacy of a Blood Pressure/Weight Loss/ or Muscle Strength Enhancement supplement. Assume that the testing takes place at a physician's offi ...
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