Re: Are there terms for these?

Kenneth Downs wrote: 
Marshall  Spight wrote:


Kenneth Downs wrote:

Marshall  Spight wrote:


Kenneth Downs wrote:

Given two tables that are not UNION compatible, it seems there are
ways to UNION them anyway.

Method 1, Intersect their headers.  The resulting header is used to
project
both tables and now those projections are union compatible.  What
would this be called?


We've been discussing this a lot. There was even a thead I started
about
a month ago called (IIRC) What would this operator be called?

This is scary, how did I miss it? 

Here it is:

"What to call this operator?"


http://groups.google.com/group/comp.databases.theory/browse_thread/thread/7a855309c23c73eb/1aad918848dd35fd

This is very sad.  I found the topic incomprehensible and was not following
closely.  Now I'll have to go back.
...

Hey, Marshall. Sorry, I didn't catch the question the first time. 'Meet' looks like an attractive word to me, both 'meet and proper' and reminds me of a Beatles lyric, 'come together, right now' which seems rather precise as far as computers are concerned.

pc

.

Relevant Pages

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  • Are there terms for these?
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  • Re: Are there terms for these?
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    ... > Marshall Spight wrote: ... OK, let a, b and c be empty relations with the same headers. ... a union b < c ...
    (comp.databases.theory)