Download PDF by John Petersen: Absolute beginner's guide to databases

By John Petersen

ISBN-10: 0768654769

ISBN-13: 9780768654769

ISBN-10: 078972569X

ISBN-13: 9780789725691

Absolute Beginner's advisor to Databases brings the weather of a database jointly utilizing effortless to appreciate language, excellent for the real newbie. It not just supplies particular palms on perform, but in addition offers an outline of designing, keeping and utilizing a database. This e-book covers what databases are used for, why databases are very important, why the layout of the database is critical, database normalization, keys to strong database layout, variations in forms of databases, and indexes--what they're, how we use them, and why they're important.

Show description

Read or Download Absolute beginner's guide to databases PDF

Best data modeling & design books

The Arithmetic of Dynamical Systems by Joseph H. Silverman PDF

This e-book presents an creation to the fairly new self-discipline of mathematics dynamics. while classical discrete dynamics is the learn of generation of self-maps of the advanced aircraft or actual line, mathematics dynamics is the research of the number-theoretic houses of rational and algebraic issues below repeated software of a polynomial or rational functionality.

Download PDF by Asim El Sheikh, Abid Thyab Al Ajeeli, Evon M. Abu-taieh: Simulation and Modeling: Current Technologies and

The technology of simulation and modeling (SM) strives to show off the top attainable point of fact with a view to ascertain the stipulations priceless for optimum functionality. SM is a multifaceted and complicated box as a result of various purposes concerned, fairly due to the fact that SM purposes variety from nuclear response to grocery store queuing.

New PDF release: Verteiltes und Paralleles Datenmanagement: Von verteilten

Das Buch vermittelt umfassende Grundlagen moderner Techniken des verteilten und parallelen Datenmanagements, die das Fundament moderner Informationssysteme bilden. Ausgehend von einer Betrachtung der Architekturvarianten, die sich aus verteilten sowie parallelen Hardwareinfrastrukturen ergeben, werden die Bereiche Datenverteilung, Anfrageverarbeitung sowie Konsistenzsicherung behandelt.

Read e-book online Introduction To Database Management System PDF

Designed in particular for a unmarried semester, first direction on database structures, there are four features that differentiate our e-book from the remainder. simplicity - in most cases, the expertise of database platforms may be very obscure. There are

Additional info for Absolute beginner's guide to databases

Example text

The field, CustomerID, is set as the primary key for the entity. There will be other fields, of course. However, the topic of which fields to include in which entities is discussed in Chapter 4. 5 The Customer consists of two attributes: the name of the entity and one primary key field. Let’s take a moment to review some important concepts. Although the topic of which fields to include in an entity is being deferred until the next chapter, some fields have to be added to the entities early in the process.

Through the analysis and examination of business forms and documents, you discover the specific pieces of customer information that must be captured. Another example is tracking time. In your current project, the Time Entry and Billing database, you know you will have to keep track of time at some level of detail. A typical timesheet might contain some or all of the following information: ■ Employee name ■ Date of work ■ Start time ■ End time ■ Task performed ■ Project ■ Client In looking at this example involving a timesheet, it becomes clearer as to what information the database must store.

Information supporting how this information will be displayed in a form can be found in the Lookup tab of the Table Designer. 21. 21 The Lookup tab provides the information and user interface components used to support form construction. Lookup tab Field Properties Lookups are easier for users to work with because users can work with descriptions instead of the meaningless numerical key values. Using the SupplierID field as an illustration, the following outlines the information the Lookup tab provides: ■ Display Control—The user-interface element (combo box, list box, or text box) that is used to display the lookup.

Download PDF sample

Absolute beginner's guide to databases by John Petersen


by Brian
4.2

Rated 4.67 of 5 – based on 37 votes