S) Scan example with null key using concatenation function
Input Output
1 1
2 12
3 123
4 1234
5 12345
Scan
Out ::scan(in)=
Out .id :: concatenation(in.id);
Key :: null key
Input Output
1 1
2 12
3 123
4 1234
5 12345
Scan
Out ::scan(in)=
Out .id :: concatenation(in.id);
Key :: null key
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