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Using a Data View, you can expose the data in a table with different sort orders, and you can filter the data by row state or based on a filter expression.

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It consists of everything from strings to Global Unique Identifiers (GUIDs). Data Reader with Execute Reader() Method: Data Set class: A Data Set is a disconnected architecture technology. When you work with a dataset, the data in the data source is not touched at all.

SQL data provider has Sql Db Type, and ODBC data provider has an ODBC type. Instead all the changes are made locally to the dataset in memory.

You can use these components (or classes) with or without data providers.

The Data Set consists of a collection of tables, rows, columns and relationships.

Since this method performs faster we do not need to go for the Reader method just to retrieve a single scalar value. Creating a Command Builder Object: Creating a Commoned Buider object is pretty simply.

Execute Non Query is useful for performing data manipulation on the database. You pass a Data Adapter as an argument of the Command Builder constructor.

This means if you enable Connection pooling in the connection object, actually you enable the re-use of the connection to more than one user. NET uses a technique called connection pooling, which minimizes the cost of repeatedly opening and closing connections.

Connection pooling reuses existing active connections with the same connection string instead of creating new connections when a request is made to the database.

Data Set contains a collection of Data Tables and the Data Table contains a collection of Data Rows, Data Relations, and Data Columns. The previous Data Set contains a Data Table that maps to the Orders table because you filled it with a SELECT query executed on the Order table.


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