Write a query to get maximum and second maximum in oracle?
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What is the concept of Virtual field?
Source File: Target EMPNO, SAL Empno, Format 101, 1000 101, 1000 101, 1100 101, 1000, 1100 101, 1000 101, 1000, 1100, 1000 101, 10000 101, 1000, 1100, 1000, 10000 102, 1100 102, 1100 102, 1300 102, 1100, 1300 102, 1200 102, 1100, 1300, 1200 102, 1500 102, 1100, 1300, 1200, 1500 How can i get that output using datastage(ETL) tool
During insert operation in Netezza Connector, if we give direct option as Yes , is there any issue?
What is the function of cluster index?
Write a query to retrieve for many to many relationships?
What is database collection?
can i use the commands "modify" and Change in DB2 to alter my column datatype and its name in a table?
What is the role of driver manager?
How does non-cluster index functions?
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?
How to do Data size testing? Who does this testing (Developer or tester)?
What is a Transformation?
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