Answer / ravan

Dataset is disconnected architecture.dataset persists and
load data in xml format.dataset can load data from
different datasources.through the dataset we can define
relationships among the datadatable

Answer / hardik

dataset is a disconnected architecture in .net frame work
for which there is no need to have a live connection. it
contains datatable in which datarow and datacolumn is
present.

Answer / dilip singh

A Dataset is a in memory representation of a collection of
Database objects including tables of a relational database
scheme. The dataset contains a collection of Tables,
Relations, constraints etc.,

It can be used for manipulating the data remotely and
finally updating the database with the modified data. This
way it enables disconnected means of working with data. This
improves performance
in terms of reducing the number of times a database is
accessed for data manipulations.

The dataset contains all the objects as a Collection of
objects. For example it contains the Database Tables as
DataTable objects. The data from the database is filled into
the dataset by using the DataAdapter.

All the related classes like DataSet, DataAdapter,
DataTable, DataRow etc are available inside the System.Data
namespace. This namespace can be used as follows:

Answer / lakshmi

Dataset represents the mechanism for managing data when it
is disconnected from the datasource.Dataset objects
represent disconnected and cached data. It is not in direct
connection with data store(sql server, oracle etc) rather
it talks with DataAdapter who is responsible for filling
the Dataset. Dataset can have one or more Datatable and
relations.

Answer / nitya

Dataset is a inmemory database for the apllication.Dataset
is a collection of tables.it is purely disconnected
architecure in .net.

Answer / shyam narayan pandey

data set is a collection data table.It is a disconnected architecture in .net frame work for which there is no need to have a live connection. It can be used with multiple
differing datasources with XML data or to manage data local
to the application.

Answer / vikas dubey

Dataset is memory based relational representation of data
provides a consistence relational programing model
regardless of the datasource. It can be used with multiple
differing datasources with XML data or to manage data local
to the application. The dataset represent a complete set of
data including related tables,constraint and relationship
amoung the table.

Answer / trivendra yadav

The data set is a disconnected, in-memory represenation or
data. it can be considered as a local copy of the relevant
portion of the data base. The data set is persisted in
memory and the datain it can be manipulate and updated
independed of the data base.when the use of this dataset is
finished, changes can be made back to the central dataset
for updating.

Answer / supriya

dataset is disconnected architecture and it is exactly to
our database tables. we can do all operations on it..and it
consists of no. of datatables.

Answer / nagendra

A Dataset is a in memory representation of a collection of
Database objects including tables of a relational database
schema. The dataset contains a collection of Tables,
Relations, constraints etc.

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You need to be able to retrieve data from DataSet object that has four DataTable objects. There are currently UniqueConstraint and ForeignKeyConstraint Object on the DataTable objects to enforce the data rules. You find that you can retrieve the data from the individual DataTable objects, but you are not able to retrieve the data from the combination of DataTable objects in a Parent/Child manner. What should you do to able to retrieve the data in a Parent/Child manner? a) Set the EnforceParentChild parameter of the DataSet to True. b) Set the EnforceRelation parameter of the Relations collection to True. c) Add DataRelation objects to the Relations Collection to make the DataSet present the data in Parent/Child manner. d) Add a primary key and a foreign key to each of the DataTable objects that should present the data in a Parent/Child manner.

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