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Few Questions that were not responded by me

 
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kishpra

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Joined: 24 May 2010
Posts: 89
Location: Pune

PostPosted: Fri Sep 02, 2011 5:09 pm    Post subject: Few Questions that were not responded by me
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Hi ,

1) How many predicates on join query on 7 tables ?

2) There are two numeric fields one has VALUE as SPACES.If first field is moved to second one what will happen ?

A - It will give compilation error at first field

3) Two files one with 500 records and other with 5000 records which is master file and how to compare them ?


Thanks!
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Escapa

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Joined: 16 Feb 2007
Posts: 1399
Location: IL, USA

PostPosted: Fri Sep 02, 2011 5:15 pm    Post subject:
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Quote:

3) Two files one with 500 records and other with 5000 records which is master file and how to compare them ?


What question is this?

Answer: Anything...

How to compare? based what level of comparison is to be done.
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Bill Woodger

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Joined: 09 Mar 2011
Posts: 7309

PostPosted: Fri Sep 02, 2011 5:57 pm    Post subject: Re: Few Questions that were not responded by me
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Quote:
2) There are two numeric fields one has VALUE as SPACES.If first field is moved to second one what will happen ?


What sort of numeric?

If you are saying can any NUMERIC have a VALUE clause when defined that says SPACE, then no, you'd get a compile error. Irrelevant to second numeric field, it definition of field one would give the error.

Dumb question again, insufficient information to provide a reasonable answer inside 20 minutes.
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GuyC

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Joined: 11 Aug 2009
Posts: 1280
Location: Belgium

PostPosted: Fri Sep 02, 2011 7:13 pm    Post subject:
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A) you can join without any predicate , but then you get cardinal products.
To avoid this you need at least 6 predicates.
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