What is ado .net architecture_.pdf

Ado.net architecture.ado.net architecture and component of ado .net .Architecture of ADO.NET :Features of ADO.NET explain architecture of ado.net with example ,ado.net architecture pdf ,ado.net tutorial
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What is ADO.Net Architecture? What is their benefits?|| What is ADO.Net Architecture, what are
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What is ADO.Net Architecture, what are its benefits.
What is ADO.Net Architecture? What are their benefits?
Or (Or) Explain the architecture of ADO.Net.
Hello friends, today we will tell you what is ado.net? You are posting in blogger.
Explain the architecture of ADO.Net
Architecture of ADO.Net
ADO.Net is the main data access system and protocol that ASP.Net supports. NET. It uses a
disconnected data architecture where you work with a single copy of the original database. In
Client/Server applications we create a connection with the database and keep it open while the
application is running. However, a lot of server resources are used to maintain these
connections. Is. To work in our application, we use Date States to store data which represents
Dara Cache of records in short form. We need to update the data in the database and by using
Data Adapters we complete the update operations in the dataset, which can be written in the
underlying database.
Datasets are containers for data. Data Adapters are used to receive data from the database and
write it back. The Data Adapter places the instruction in the dataset for a single table and
updates the data in its corresponding table in the database. Here the dataset only exists locally.

2. When we work with Data Connections, Data Adapters and Datasets, ADO.Net handles the data
with the following series of objects-
• Data Connection Object
To work with the database, we must create a data connection. To read and write data, Data
Adapter uses olest Connection, odbc Connection, Oracle Connection or SQL Connections
objects to communicate with the Data Source.
• Data Adapters -
Data Adapters are a very important part of ADO.Net. Therefore, it is used to establish
communication between a Data Source and a Dateset. Normally we configure a Data Adapter
with SQL to execute against a Datasource.
Command Objects
Data Adapters can read, add and delete records in the data source. To specify how each of
these operations is to be performed, the data adapter maintains command objects for each of
these. Data Adapters supports four properties that give us access to Select Command, Insert
Command, Update Command and Delete Command objects.
• Datasels -
Datasets store data in the Disconnected Cache. The structure of the dataset is like a relational
dataset. It gives us access to the object model of Tables, Rows and Columns and it maintains
the defined Constraints and Relationships for the dataset. Datasets are supported by Dataset
objects.
Data Table Objects -

3. Data Table Objects hold the data table from the data source. Data Tables have two important
properties-
(i) Columns- First there is a collection of Data Column Object which represents the number of
columns in a table.
(ii) Ruws - It is a collection of Data Row Objects that represents the data in rows in a table.
• Data Readers -
Data Reader Object. Sedes a set of read only, forward only data in a database. Speed ​​can be
increased by using Data Reader as the memory holds only one row of data at a time.
* Data Views [DalaViews]-
Data Views represent a single table Customizes Views which can be Filtered, Searched or
Sorted. Data] View is supported by the Dataview class.
• (Constraint Objects) -
To check Data Sets, Data Integrity. Supports Constraints. A Constraint is supported by the
Constraint Class. A Constraint is a rule that can be applied when an Insert, Update or Delete
operation of a row is performed, it is checked before the operation is performed on the effective
table. There are mainly two types of constraints
(i) Unique Constraints-
Unique Constraints, Checks that a given value in a column in a table is unique
(ii) Foreign Key Constraints-
Foreign Key Constraints specify that when a record is updated in another table, how the conus
should be updated with it...

4. • Data Relation Objects-.
Data Relation Objects specify the relationship between Parent and Child Tables. It shares both
the tables on the basis of a key.
• Data Row Objects-
Data Row Objects correspond to particular rows in a data table. We use item property to set or
get any particular field value of the row.
• Data Column Object-
Data Column Object is the columnst Corresponding in the table. Each object maintains a
dataType property that specifies the type of data for each column.
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