By Wallace B. McClure
ADO.NET revolutionized the way in which facts was once accessed via SQL Server, Oracle, and MySQL. With Microsoft's unencumber of ADO.NET 2, ADO and the .NET Framework are built-in with SQL Server for the 1st time-enabling you to software .NET purposes without delay in the SQL Server database.
Packed with pattern code and urged most sensible practices for utilizing ADO.NET 2, this code-intensive e-book explores the recent information varieties which are on hand within the 2.0 Framework and discusses the proper time and strategy to use them. you will the way to make repetitive, mundane projects a lot less complicated and you may stroll away with a superb origin for constructing database-driven applications.
What you are going to research from this book
- The fundamentals of constructing a connection, executing a question, and returning a result
- Best makes use of for Oracle within the ADO.NET Framework
- The many new good points which are to be had for XML
- How to exploit the entire textual content seek features of Microsoft(r) SQL Server 2005
- Methods for retrieving information and proposing it in a variety of ways
- Why MySQL is a possible choice for information storage
Who this ebook is for
This publication is for knowledgeable database builders who are looking to examine the most recent liberate of ADO.NET 2.0. wisdom of ADO.NET 1.0, basic .NET improvement, and Microsoft SQL Server is necessary.
Wrox expert publications are deliberate and written by means of operating programmers to fulfill the real-world wishes of programmers, builders, and IT execs. concentrated and appropriate, they handle the problems know-how pros face each day. they supply examples, functional ideas, and specialist schooling in new applied sciences, all designed to assist programmers do a greater job.
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Extra resources for Professional ADO.NET 2: Programming with SQL Server 2005, Oracle, and MySQL
It served to provide another layer of abstraction between the application and data access, making the developer’s task simpler. 0, which supported direct communication with Microsoft Access databases without using ODBC. Figure 1-2 shows this relationship. 0 was expanded to support OLE-DB connections and the advantages that come along with it. It also provided a much more robust set of functionality for accessing ODBC data stores through the JET engine. 0 and the 32-bit OS introduced with Windows 95.
Using Pascal Case for your tables negates the need for underscores in table names, and spaces are only supported by some database servers, so they should be avoided at all costs. Observing these rules will enable you to easily move your entire database schema among many different relational database management servers (just in case you ever get bored). The following few sections will walk you through naming conventions for every part of a table’s structure and its associated objects. Just to clarify what we’re talking about, here’s the CREATE script for a table in SQL Server: CREATE TABLE [Customers] ( [CustomerId] [int] IDENTITY (1, 1) NOT FOR REPLICATION NOT NULL , [CustomerName] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL , [CustomerAddress] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL CONSTRAINT [PK_CustomersFirstForm] PRIMARY KEY CLUSTERED ( [CustomerId] ) ON [PRIMARY] ) ON [PRIMARY] GO Columns When naming the columns in your tables, keep in mind that the columns already belong to a table, so it is not necessary to include the table name within the column names.
This standard practice of leaving the connection open resulted in heavier loads placed on the database server. The developers who did choose to close the connection immediately after retrieving the data faced another problem: having to continually create and destroy connections in each method that needed to access data. NET offers; and as a result, many best practice articles were published advising users to leave a single connection object open and forward it on to all the methods that needed to access data.