What is difference between DataReader and DataSet?
What is difference between DataReader and DataSet?
Dataset is used to hold tables with data. DataReader is designed to retrieve a read-only, forward-only stream of data from data sources. DataReader has a connection oriented nature, whenever you want fetch the data from database that you must have a connection.
What is the difference between DataReader and DataAdapter?
DataAdapter is an intermediate layer/ middleware which acts a bridge between the DataSet and a Database whereas DataReader provides forward-only, read-only access to data using a server-side cursor (simply put it is ued to read the data).
When would you choose a DataSet or DataReader?
A critical choice when designing your application is whether to use a DataSet or a DataReader. If you need to retrieve many records rapidly, use a DataReader. The DataReader object is fast, returning a fire hose of read-only data from the server, one record at a time.
What is difference between DataReader and DataAdapter?
What is DataReader object?
In ADO.NET, a DataReader is a broad category of objects used to sequentially read data from a data source. DataReaders provide a very efficient way to access data, and can be thought of as a Firehose cursor from ASP Classic, except that no server-side cursor is used.
What is the difference between DataReader and dataset and DataAdapter?
In this blog, I will explain the difference between a DataReader, DataSet, DataAdapter and DataTable with code examples in C#. DataReader is used to read the data from database and it is a read and forward only connection oriented architecture during fetch the data from database. DataReader will fetch the data very fast when compared with dataset.
What is a DataAdapter in Salesforce?
The DataAdapter acts as a bridge between a DataSet and a data source for retrieving and saving data. The DataAdapter helps mapping the data in the DataSet to match the data in the data source.
What is a single dataset?
That is A single DataSet can hold the data from different data sources holdng data from different databases/tables. The DataSet represents a complete set of data including related tables, constraints, and relationships among the tables.
What is a dataset in Oracle?
The DataSet is a in-memory representation of data. It can be used with multiple data sources. That is A single DataSet can hold the data from different data sources holdng data from different databases/tables. The DataSet represents a complete set of data including related tables, constraints, and relationships among the tables.
