Thanks ballardw, I need the set statement and it worked when I write 'set Table2 Table1', but some observation doesn't come to it's total length when I write 'set Table1 Table2',. It's because variable 'Chowdhury' is bigger then any other variables. Do you know a solution to make it work for 'set Table1 Table2'. let's say for the following table. Thanks, Table1: Student_ID Name Course 101 John Math 103 Allison English 105 Michael Geography Table2: Student_ID Name Course 107 Johan Math 109 Chowdhury English
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