Diff b/w DataReader,Dataset and Data table?
Answers were Sorted based on User's Feedback
Answer / nityanand
Dataset:Disconnected Architecure and Relation between Row
and Column
Datareader :Connected architecture and Forward only and
read only data access.
DataTable : It is collection of data Rows and Column.
Is This Answer Correct ? | 59 Yes | 2 No |
Answer / deepak
DataReader:- is a predefined class that access the data
forward only and read only mode,and it belongs to connected
architechure.
Dataset:- is a buffer location between database and
application.All the manipulation are done here rather than
directly database.it belongs to disconnected architechure.
DataTable:- is the collection of rows and columns in the
dataset.In other sentence,The table in the dataset is called
DataTable.
Is This Answer Correct ? | 19 Yes | 1 No |
Answer / venu
DataReader: datareader is forward only it is nt scrollable
and datareader fetch the records one by one.this is record
pointer to pointing to one by one record in connected
Architecture.
Dataset:dataset is contain table in Xml format.we can use
this forward to any operating system.it is Scrollable and
dataset contain in application memory.
Datatable: DataTable Contain a structured format it contain
a rows and columns.
Is This Answer Correct ? | 4 Yes | 3 No |
Answer / sooraj
dataset :-
dataset used disconnected mode(offline architecture) dataset
contain object of data table by using dataadapter by fill
method means dataadapter fill the fetch query of datatable
to data set..
datareader:-
its use connected mode arcetecture..its secure but
connection oriented.. its working some time we can say that
its same as a dataset but its direct access data by table..
datatable :- structured format it contain
a rows and columns.
Is This Answer Correct ? | 3 Yes | 2 No |
Answer / neha
DataReader: It is used to retrieve a single record of a
table at a time. It does this in forward-only, read-only manner.
DataTable: It is used to represent a single table of the
dataset.
DataSet: It is the collection of DataTables and the
DataRelations.
Is This Answer Correct ? | 1 Yes | 0 No |
Give few examples of datareader that is used in different dataproviders.
What is read only and forward only in ado.net?
Which is faster ado.net or linq?
If a table contains 20000 records . In a page at each time 100 records to be displayed. What are the steps u will take to improve performance? will you use dataset or datareader?
What is data adapter in ado.net with example?
what is the syntax code for oldb to connect oracle
What is dataset object? Explain the various objects in dataset.
What are the Data providers in ADO.Net?
Is it possible to edit data in Repeater control?
How is entity framework different from ado.net?
Explain what is datagrid with an example?
What is sqlconnection and sqlcommand?