Querying Two Tables

May 23, 2008

This is my problem

Table A Columns:

OriginatingNumber,
TerminatingNumber

Both of these columns contain npanxx numbers which would be the first 6 digits of a phone number, example 217345 which is in illinois.

Table B Columns:

npanxx,
state

table B hold all npanxx numbers in the united states and what state it pertains to.

what i need to do is run a query to check and see what state the OriginatingNumber and the TerminatingNumber are in and decide if both numbers passed are in the same state or not.

so for example in Table A Row 1: OriginatingNumber is 217345 and the TerminatingNumber is 309454. I need to check both of these numbers against table B and it would return that both numbers are in IL. Basically I need to return a result of yes or no. yes they are in the same state or no they are not in the same state.

Any help would be great

Thanks for reading,

Nick

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Hi all, 
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table2
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My questions are:
 
 
 
 

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