By James Huddleston, Vidya Vrat Agarwal
Starting VB 2008 Databases teaches you every thing you must find out about relational databases, SQL, and ADO.NET 2.0, providing you with a legitimate commence in constructing console and home windows database functions. The publication additionally contains chapters at the new SQL Server XML information kind and the drawing close LINQ improvements to the following model of visible Basic.
In addition to educating you database fundamentals like utilizing SQL to speak with databases, this e-book offers you designated, code-practical thoughts to entry facts in visible simple 2008 throughout a number coding occasions. Code-heavy and whole of functional element, this publication has been absolutely revised and upgraded for .NET 3.5 and provides you the simplest modern perform during this middle programming sector, in order that you’ll end up utilizing it in approximately all of your .NET projects.
- offers step by step directions on the right way to set up and configure precious tools
- offers all crucial SQL question and replace suggestions and syntax, so that you don’t want earlier familiarity with relational databases or SQL
- Describes tips to use ADO.NET transactions, exceptions, and events
- Covers ADO.NET beneficial properties for dealing with XML, textual content, and binary info inside a visible uncomplicated 2008 context
- Explains all options via elementary code examples
What you’ll learn
- How relational databases paintings and the way to exploit them
- How visible easy makes use of ADO.NET to entry databases
- the way to write kept techniques in T-SQL and phone them from visible simple programs
- find out how to use XML in database applications
- the best way to use LINQ to simplify VB database programming
- how one can set up SQL Server 2005 convey and use it to coach your self databases by means of doing databases
Who is that this ebook for?
Beginning VB 2008 Databases is for each VB programmer. Database programming calls for particularly little wisdom of VB yet loads of wisdom approximately relational database recommendations and the database language SQL. This booklet assumes no earlier database adventure and teaches you, consistently via hands-on examples, how one can create and use relational databases with SQL and the way to entry them with VB. nearly each software must entry a database, and this publication teaches all of the basics you'll ever have to boost specialist database applications.
About the Apress starting Series
The starting sequence from Apress is the precise option to get the knowledge you must land that an important entry-level task. those books will train you a customary and significant expertise from the floor up simply because they're explicitly designed to take you from “novice to professional.” You’ll commence your trip through seeing what you want to knowbut with out pointless idea and filler. You’ll construct your ability set through studying how one can prepare real-world tasks step-by-step. So no matter if your objective is your subsequent occupation problem or a brand new studying chance, the start sequence from Apress will take you thereit is your depended on consultant via surprising territory!
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Additional resources for Beginning VB. 2008 Databases From Novice to Pro [Visual Basic]
In the Name text box of the selected project template, type FirstApp (see Figure 2-6) and click OK. qxd 2/21/08 3:04 PM Page 19 CHAPTER 2 ■ GETTING TO KNOW YOUR TOOLS Figure 2-6. Creating a new Console Application project 3. vb with the code in Listing 2-1. Listing 2-1. qxd 20 2/21/08 3:04 PM Page 20 CHAPTER 2 ■ GETTING TO KNOW YOUR TOOLS 4. Run the application by pressing Ctrl+F5. Your results should appear as shown in Figure 2-7. Figure 2-7. cs. ReadLine(); Go ahead and close the Visual Studio environment.
This is to guarantee that primary key values exist for all rows. The requirement that primary key values exist and that they are unique is known as entity integrity (EI). The DBMS enforces entity integrity by not allowing operations (INSERT, UPDATE) to produce an invalid primary key. qxd 2/21/08 3:07 PM Page 33 CHAPTER 3 ■ GETTING TO KNOW RELATIONAL DATABASES operation that creates a duplicate primary key or one containing nulls is rejected. That is, to establish entity integrity, you need to define primary keys so the DBMS can enforce their uniqueness.
To start, you first install the AdventureWorks creation script, and then you create the database. Installing the AdventureWorks Creation Script To install the creation script for the AdventureWorks sample database, follow these steps: 1. ReleaseId=5705. 2. msi. Accept the license when prompted. 3. In the dialog box that opens, click Save, specify your install folder (such as the host machine’s desktop), and click Save. 4. When the download is complete, click Close. 5. msi file to start the installation process.