Week 1 Homework

IT 203 Week 1 Homework 1. A informationbase management governance (DBMS) is a software package with computer programs that control the creation, maintenance, and using up of a database. 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 relational database organizes data into s give notices of overlapping tables. 2. Business logical system is the set of rules that govern an organizations processes. 3. In a thickening/server relationship, there are only cardinal machines in the process. The client is responsible for two processes: presentation, and petitions. The client, or end user, sends a beg for information to the server, which and so(prenominal) replies with a response. The client and so formats the information in a way that is useful to the user. In the three-tie r relationship, 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, narrates, or books. 5. Database attributes represent characteristics or values about a database relat ion (also known as a table). Examples includ! e acknowledgment numbers, names, and predict numbers. 6. evince 1-9: executable TABLES --- ENTITIES| (RELATED) COLUMNS --- FIELDS| NAME| First, Last, node bearing Rep| ADDRESS| Street, State, Zipcode, City| INVOICE| account number, put together 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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