What is difference between using interface as source and table as source?

I am working on a batch flow which need several steps to populate data from source to target. For example, I need 5 interfaces to finish final data loading. I can either use interface or use temporary table as source and target for the interface 2, 3, and 4. It looks like both case will use tables no matter use interface or use temporary table. So my question is if there is any difference between these two (using interface as source or use temporary table as source)?
Thanks

if you use a Table as source for the intermediate process, it will create a physical temporary table i your work rep(depends on you choice) and populate the data into the table. if you use a interface as a source, just it will create a sub query instead of temporary table.
Thanks
nidhi

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What is difference between using interface as source and table as source?

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