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Data Conversion
Have 2 table Emp1 (Column Name: Ename), 2nd table Emp2 (Column Name: First and Column Name: LastTable Name :Emp1ENameHunt, MichaelGraham, SmithNelson, Ryan Table Name: Emp2First LastMichael HuntSmith GrahamRyan NelsonNeed to write a SQL query to convert the data from Emp1 to Emp2 in this way.Can any body help me.Thanks
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Difference between nested query,sub query and nested query?
what is difference between nested query,sub query and nested query? explain clearly with an example?
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Column Level Constraint
What are Column Level Constraint and Table Level Constraint? How do they differ from one another?
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