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What is the purpose of SUMMARIZE PER?

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[Sorry, I know I read that but I had forgotten.]

Seems clunky to have to mention (twice) a whole bunch of attributes that you're not actually interested in. I guess that substitutes for {*} in Andl.

My preference leans strongly towards the primitive from which the others can be built, rather than the specialised syntax for each individual case.

Andl - A New Database Language - andl.org
Quote from dandl on September 2, 2019, 12:39 am

[Sorry, I know I read that but I had forgotten.]

Seems clunky to have to mention (twice) a whole bunch of attributes that you're not actually interested in. I guess that substitutes for {*} in Andl.

My preference leans strongly towards the primitive from which the others can be built, rather than the specialised syntax for each individual case.

The examples I've given are without image relations. With them, it's much simpler (the bunch of attributes isn't needed) but arguably less intuitive. That's why I think it's worth keeping SUMMARIZE.

I'm the forum administrator and lead developer of Rel. Email me at dave@armchair.mb.ca with the Subject 'TTM Forum'. Download Rel from https://reldb.org
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