Write a query to get maximum and second maximum in oracle?
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what are different types of datasets? what are different characteristics or properties of those datasets? what are the advantages and disadvantages of each dataset on each other?
Why merge statement is used inside the database?
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can we delete autodiff back up that we have set through sql server agent.
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Design an ETL process( batch job/script)from source to starting that u will not be dependent on the source in the near future?please elobarate details on what are things to consider.if you'd like to do a diagram that will be great.please answer it
A design problem was given in which I was supposed to make a design for the data base for a given problem.
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Differentiate between unique key and foreign key?
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Which is the most reliable programming language for RDBMS Relational Database Management System for Multi user applicaton. For PC application or web application ?
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