Well, PROC APPEND is not a data step...
To be able to rename columns with proc append, you need to use the rename data set option, otherwise you'll loose data.
I like the syntax of SQL better for this case, the select clause of the insert statement lets you list which columns to insert, and is does not care for names, just position and data type.
And is almost as efficient as append.
/Linus
Hi Zineg,
thanx for the performance advice regarding proc append/data step. I always use proc append but never had a thought on whether it was faster that the data step solution 🙂
Best wishes
Eva
PROC APPEND BASE = TABLEA DATA=TABLEB;
RUN;
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