how i can compare the data of two datatables ( dt1 , dt2 ) and got the difference in a thrid one dt3

dt1 and dt2 Structure

any help ? thank you

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What difference exactly are you looking for? Rows in one that aren't in the other or changes to individual cells in a row?
Is the number of rows the same in both datatables?

i am looking for Rows in one that aren't in the other
and the number of are different

example if table1 has 1 2 3 4 5
and table 2 has 1 2 3 4 5 6 7
The difference is 6 7 put in a table 3

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