By Wallace B. McClure
ADO.NET revolutionized the best way info used to be accessed via SQL Server, Oracle, and MySQL. With Microsoft's unlock of ADO.NET 2, ADO and the .NET Framework are built-in with SQL Server for the 1st time-enabling you to application .NET functions at once in the SQL Server database.
Packed with pattern code and advised top practices for utilizing ADO.NET 2, this code-intensive e-book explores the recent info forms which are to be had within the 2.0 Framework and discusses the proper time and technique to use them. you will the way to make repetitive, mundane projects a lot less complicated and you can stroll away with a high-quality starting place for constructing database-driven applications.
What you'll research from this booklet the fundamentals of making a connection, executing a question, and returning a end result top makes use of for Oracle within the ADO.NET Framework the numerous new good points which are to be had for XML the way to use the whole textual content seek functions of Microsoft(r) SQL Server 2005 equipment for retrieving info and proposing it in a variety of methods Why MySQL is a workable choice for facts storage
Who this e-book is for
This publication is for skilled database builders who are looking to research the newest unencumber of ADO.NET 2.0. wisdom of ADO.NET 1.0, common .NET improvement, and Microsoft SQL Server is necessary.
Wrox expert courses are deliberate and written by means of operating programmers to satisfy the real-world wishes of programmers, builders, and IT pros. centred and appropriate, they deal with the problems expertise pros face each day. they supply examples, useful suggestions, and professional schooling in new applied sciences, all designed to aid programmers do a greater activity.
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Additional info for Professional ADO.NET 2: Programming with SQL Server 2005, Oracle, and MySQL
Example text
0, developers were introduced to a new method for accessing data, known as Data Access Objects (DAO). This was Microsoft’s first attempt to create a data consumer API. Although it had very humble beginnings, and when first released only supported forward-only operations against ODBC data sources, it was the beginning of a series of libraries that would lead developers closer to the ideal of Universal Data Access. It also helped developers using higher-level languages such as Visual Basic to take advantage of the power of ODBC that developers using lower-level languages such as C were beginning to take for granted.
Two years later, in 1965, CODASYL formed a group called the List Processing Task Force, which later became the Data Base Task Group. The Data Base Task Group released an important report in 1971 outlining the Network Data Model, also known as the CODASYL Data Model or DBTG Data Model. This data model defined several key concepts of a database, including the following: 2 History of Data Access ❑ A syntax for defining a schema ❑ A syntax for defining a subschema ❑ A data manipulation language These concepts were later incorporated into the COBOL programming language.
For example, a table of users for an intranet should be named IntranetUsers. Table names should never contain numbers. If you find yourself considering the creation of a table with numbers in the name, it’s likely your design is not normalized; consider moving the “number” into a new column within the table itself. A good example of this would be a table listing sales items, which could be grouped together by year. The wrong way to do this would be to name the tables Sales2003, Sales2004, and so on.