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ADO.NET INTERVIEW QUESTION & ANSWERS

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61. What are the two major parts of ADO.NET?
  The DataSet object and the managed providers are the two parts of ADO.NET.
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62. Which method do you invoke on the DataAdapter control to load your generated dataset with data?
  Fill ()
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63. Define Clustered Index?
  The data rows are stored in order based on the clustered index key. Data stored is in a sequence of the index. In a clustered index, the physical order of the rows in the table is the same as the logical (indexed) order of the key values. A table can contain only one clustered index. A clustered index usually provides faster access to data than does a non-clustered index.
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64. Define Non-Clustered Index?
  The data rows are not stored in any particular order, and there is no particular order to the sequence of the data pages. In a clustered index, the physical order of the rows in the table is not same as the logical (indexed) order of the key values.
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65. What is disconnected data?
  A data representation, such a DataSet, that doesn't require a continuous database connection.
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