How would you connect to a database by using .NET?

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What is an orm, and why would you use one instead of plain old ado.net?

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If a table contains 20000 records . In a page at each time 100 records to be displayed what are the steps you will take to improve performance? Will you use dataset or datareader?

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What are the major challenges in accessing data from a database?

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Can we connect two dataadapters to same data source using single connection at same time?

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What are the ado.net components?

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what purpose of Indexing creating? directly we can search the reqired row with the help of query?what is the use of indexing?

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Define connection string?

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What is the use of sqldatareader class?

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Where do you store connection string ?

3 Answers   Digital GlobalSoft,

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What is openrowset?

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How to store data in memory?

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