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Which namespace are used for accessing the data?

Posted By :Subhransu Sekhar Jena     Posted Date :September 30, 2014    Points :40   Category :VB.Net 
System.Data namespace is used for accessing and managing data from the required data source. This namespace deals only with the data from the specified database.

You can also find related Interview Question to Which namespace are used for accessing the data?  below: 

Name the classes that are contained in System.Data NameSpace?

  
DataSet
DataTable
DataColumn
DataRow
DataRealation
Constraint (More...)

Named out assemblies and corresponding namespace of all .Net framework data provider.

  
a) .Net Framework Data Provider for SQL Server
Assembly Name :- System.Data.dll
NameSpace :- System.Data.SqlClient

b) .Net Framework Data Provider for OLE DB Server
Assembly Name :- System.Data.dll
NameSpace :- System.Data.OleDb


C) .Net Framework Data Provider for ODBC
Assembly Name :- System.Data.ODBC


C) .Net Framework Data Provider for Oracle
Assembly Name :- System.Data.OracleClient.dll
NameSpace :- System.Data.OracleClient
(More...)

What is Active Directory? What is the namespace used to access the Microsoft Active Directories? What are ADSI Directories?

  
Active Directory Service Interfaces (ADSI) is a programmatic interface for Microsoft Windows Active Directory. It enables your applications to interact with diverse directories on a network, using a single interface. Visual Studio .NET and the .NET Framework make it easy to add ADSI functionality with the DirectoryEntry and DirectorySearcher components.

Using ADSI, you can create applications that perform common administrative tasks, such as backing up databases, accessing printers, and administering user accounts. (More...)

What is Method used to bind the data into gridview ?

  
DataBind() Method used to bind the data into gridview (More...)

What is the .NET that allows the retrieval of data by a unique key?

  
HashTable is the .NET collection class that allows the retrieval of data by a unique key (More...)

What is managed code and managed data?

  
Managed code is code that is written to target the services of the Common Language Runtime (see What is the Common Language Runtime?). In order to target these services, the code must provide a minimum level of information (metadata) to the runtime. All C#, Visual Basic.NET, and _JScript.NET code is managed by default. Visual Studio.NET C++ code is not managed by default, but the compiler can produce managed code by specifying a command-line switch (/CLR).
Closely related to managed code is managed data-data that is allocated and de-allocated by the Common Language Runtime's garbage collector. C#, Visual Basic, and _JScript.NET data is managed by default. C# data can, however, be marked as unmanaged through the use of special keywords. Visual Studio.NET C++ data is unmanaged by default (even when using the /CLR switch), but when using Managed Extensions for C++, a class can be marked as managed by using the __gc keyword. As the name suggests, this means that the memory for instances of the class is managed by the garbage collector. In addition, the class becomes a full participating member of the .NET Framework community, with the benefits and restrictions that brings. An example of a benefit is proper interoperability with classes written in other languages (for example, a managed C++ class can inherit from a Visual Basic class). An example of a restriction is that a managed class can only inherit from one base class. (More...)

What is the difference between a namespace and an assembly name?

  
A namespace is a logical naming scheme for types in which a simple type name, such as MyType, is preceded with a dot-separated hierarchical name. Such a naming scheme is completely under the control of the developer. For example, types MyCompany.FileAccess.A and MyCompany.FileAccess.B might be logically expected to have functionality related to file access. The .NET Framework uses a hierarchical naming scheme for grouping types into logical categories of related functionality, such as the ASP.NET application framework, or remoting functionality. Design tools can make use of namespaces to make it easier for developers to browse and reference types in their code. The concept of a namespace is not related to that of an assembly. A single assembly may contain types whose hierarchical names have different namespace roots, and a logical namespace root may span multiple assemblies. In the .NET Framework, a namespace is a logical design-time naming convenience, whereas an assembly establishes the name scope for types at run time.

Application Deployment and Isolation (More...)

What is data structure?

  
A data structure is a way of organizing data that considers not only the items stored, but also their relationship to each other. Advance knowledge about the relationship between data items allows designing of efficient algorithms for the manipulation of data. (More...)

List out the areas in which data structures are applied extensively?

  
1.Compiler Design,
2.Operating System,
3.Database Management System,
4.Statistical analysis package,
5.Numerical Analysis,
6.Graphics,
7.Artificial Intelligence,
8.Simulation (More...)

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