By Denise Gosnell, Matthew Reynolds, Bill Forgey
This publication has been absolutely validated on and is compliant with the legit unlock of web.
Almost all functions need to care for info entry not directly or one other. This publication will educate you ways to construct visible simple .NET purposes that make powerful use of databases. visible uncomplicated .NET is the newest model of the main usual programming language on the planet, well-liked by specialist builders and novices alike.
Starting with a advisor to the fundamental rules of database layout, we then study tips to question databases and the way to entry their info - either in home windows functions and remotely utilizing the net and internet companies. each new suggestion is defined completely with test it out examples, lots of code samples, and end-of-chapter inquiries to attempt you.
This e-book covers:
- the elemental rules of relational database layout
- Microsoft SQL Server laptop Engine
- Querying the database with the T-SQL language
- visible Studio .NET and the Server Explorer
- ADO.NET and the DataSet
- information binding, updating the database, and clash answer
- XML's function in ADO.NET
- getting access to information with ASP.NET and internet companies
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Extra info for Beginning Visual Basic .NET databases
Let's look at our sample database design to illustrate this issue. In the First Normal Form step, we modified the Orders table to allow multiple records for every product ordered (as opposed to having a fixed set of fields for up to four products). To allow this, the OrderNumber and ProductIdentifier fields became the primary key for the Orders table. While that satisfied the rule for first normal form, it violates Second Normal Form because the OrderDate, CustomerNumber, and OrderShipDate fields are not dependent solely on the entire primary key – that is, the combination of OrderNumber and ProductIdentifier.
It is not necessary to have the user interface for your application up and running before you test the database design. In fact, it is a good idea to have your database sound before you even begin designing the user interface. This can help you quickly determine if you have any fields that are too small, or if any are missing, and such like. Testing will highlight any refinements necessary, such as increasing field sizes or adding an overlooked field. This process of create, test, and refine should be repeated on the physical database structure until you are satisfied that it will meet the business objectives you wish to accomplish.
It is also likely to be supported by Windows XP when released. 64 MB of RAM is the minimum to run Desktop Engine on Windows 2000, but the other operating systems listed can get away with just 32 MB. Desktop Engine requires 44 MB of disk space for the database engine software itself. How to Install Desktop Engine In this section, I shall lead you through the steps required to install Desktop Engine on your machine. NET setup CD. Net\FrameworkSDK\Samples\Setup directory (where D: is the letter corresponding to your CD drive).
Beginning Visual Basic .NET databases by Denise Gosnell, Matthew Reynolds, Bill Forgey