Why ca not we use multiple inheritance and garbage collector paralelly in .net?
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Explain how to copy the contents from one table to another table and how to delete the source table in ado.net?
once data is fetched into dataset connection gets closed. but in datareader connection is always maintained...then why datareader is fast and mainly recommended ?
If a table contains 20000 records. In a page at each time 100 records to be displayed.
What are ado.net objects?
What are the 3 major types of connection objects in ado.net?
Which is the best method to get two values from the database?
How can we perform transactions in .net?
What is datasource in ado.net?
If a table contains 20000 records . In a page at each time 100 records to be displayed. What are the steps u will take to improve performance? will you use dataset or datareader?
What are the usages of the command object in ado.net?
How can you identify whether or not any changes are made to the DataSet object since it was last loaded?
How many commands does the oledbcommand takes?what are they?
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