What is the use of partition by in sql?
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Difference between IN and EXISTS
check whether all the emp numbers are indeed unique.
What is a delimiter in sas?
Do we need to rebuild index after truncate?
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have table with two columns with datatypes as number and varchar and the values in A column like 1,2,3 AND B column values like a,b,c. now need to display data in a single column as 1,a,2,b,3,c.
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