Week 1 Homework

IT 203 Week 1 Homework 1. A infobase management formation (DBMS) is a software package with computer programs that control the creation, maintenance, and aim of a infobase. A DBMS provides facilities for controlling data access, enforcing data integrity, managing concurrency control, and convalescent the database after failures and restoring it from backup files, as well as maintaining database security. A social intercourseal database organizes data into s fetch ups of overlapping tables. 2. Business system of logic is the set of rules that govern an organizations processes. 3. In a thickening/server relationship, there are only both machines in the process. The client is responsible for two processes: presentation, and petitions. The client, or end user, sends a indicate for information to the server, which and so(prenominal) replies with a response. The client indeed formats the information in a way that is useful to the user. In the three-tier re lationship, the client/server relationship is extended by dividing up the server tasks into two tiers, the application server and data server. The request from the client goes to the application (or logic) server, and the data request is then passed on to the data server. This then processes the request and passes it back to the logic server, and then onto the client. 4.

An entity is a thing or object of importance astir(predicate) which data must be captured. Some examples might embroil employees, stations, or books. 5. Database attributes represent characteristics or values about a database relation (also known as a table). Examples include ! acknowledgment numbers, names, and cry numbers. 6. evince 1-9: practicable TABLES --- ENTITIES| (RELATED) COLUMNS --- FIELDS| NAME| First, Last, node negociate Rep| ADDRESS| Street, State, Zipcode, City| INVOICE| account number, read Date| ITEMS| ItemID number, Description, Quanitity| COST| Cost per Unit, Total| Exhibit 1-10: POSSIBLE TABLES --- ENTITIES| (RELATED) COLUMNS --- FIELDS|...If you want to get a practiced essay, order it on our website: OrderCustomPaper.com

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