What is an ado connection?
What is a data control clerk?
How do you connect to sql server database without using sqlclient?
Can we load multiple tables in a dataset?
once data is fetched into dataset connection gets closed. but in datareader connection is always maintained...then why datareader is fast and mainly recommended ?
How can we save all data from dataset?
Define table relations?
Difference between ADO and ADO.net ?
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If we want to connect to many databases in dataaccess layer such as MSAccess,Sql server,oracle means not to a particular database depends on condition we have to connect to appropriate database in this scenario if we without changing code Ho wdo you handle this situation?
What is Pooling? what is data pooling? what is sql pooling?
How can you identify whether or not any changes are made to the DataSet object since it was last loaded?
In how many ways we can retrieve table records count? How to find the count of records in a dataset?
What is DataReader Object?