What you can do to remove data from the cache and query plans from memory for testing the performance of a query repeatedly?
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Given an employee table, how would you find out the second highest salary?
Explain about a primary key?
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Write short notes on manual refreshes.
Explain the role of indexing in databases?
You have a table with three columns: amount1, amount2, and amount3 in a single row only one of these three columns will have a value and the other two will be null. Write a sql query to retrieve the values from these columns?
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fact table and dimension table containg one to many relationship or many to one relastionship
What is normalization? Explain different levels of normalization?
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Explain about relational operator join?
Does QTP Support the Propjects which are running in Dot Net? As we are starting with new project in Dot net need to use automation tool?Please advice & let me know what would be the best.
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