Question

How to update the values in one table based on another

Asked by: STOCRIC

I know this sounds very basic but I would like to update the values in one table based on the values of another. Here's the real case: I wuold like to replace the value of COUNTRY in address table with the value of COUNTRY that is stored against the POSTCODE (or zip code in the US)

so for all the tblADDRESS records with a POSTCODE value of 'AB' replace the current value  of tblADDRESS.COUNTRY with  the value of POSTCODE.COUNTRY that has an 'AB', then repeat until the end of the table.

I have no idea of how to do this, I can programme a bit but I would be very grateful as I will need this, would it be better in SSIS, with a lookup function?

Many thanks

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Asked On
2009-10-22 at 04:49:16ID24834055
Tags

SQL 2008

Topics

SQL Server 2008

,

SSIS

Participating Experts
1
Points
250
Comments
6

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Answers

 

by: MuhammadKashifPosted on 2009-10-22 at 04:58:44ID: 25633044

syntax of the update table query based on other table

UPDATE t1
SET t1.Col1 = t2.Col1
FROM Table1 t1
INNER JOIN Table2 t2 ON t1.ID = t2.ID

                                              
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by: MuhammadKashifPosted on 2009-10-22 at 05:24:16ID: 25633240

Your statement of 'AB' is bit confusing... if following query solves your problem then OK else clarify your statement ..

UPDATE t1
SET t1.COUNTRY = t2.COUNTRY 
FROM tblADDRESS t1
INNER JOIN POSTCODE t2 ON t1.ID = t2.ID
WHERE t2.COUNTRY LIKE '%AB%'

                                              
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by: STOCRICPosted on 2009-10-22 at 05:38:42ID: 25633367

Thanks for that, the AB was just the first record in the table there 189 other codes with the format of

this view has all the UK postcodes with the country it lies in for example...
COUNTRY                POSTOCDE    
SCOTLAND              AB
ENGLAND                 B1
ENGLAND                 B2
WALES                      CA
etc.

the table I'm trying to update is all the customer address details 3000 records
COUNTRY                  POSTOCODE
UK                              B1
UK                              CA
UK                              AB
UK                              B2
EIRE                            NULL
JAPAN                        NULL

So what I want to do is for each record in the address table replace the value of UK with the correct correct corresponding country in the postcode view

Hope this helps

 

by: MuhammadKashifPosted on 2009-10-22 at 05:54:46ID: 25633507

try this query if it solves your problem then ok other wise provide TalbeNames with its column names.

UPDATE t1
SET t1.COUNTRY = t2.COUNTRY 
FROM tblADDRESS t1
INNER JOIN POSTCODE t2 ON t1.POSTOCODE = t2.POSTOCODE
                                              
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by: STOCRICPosted on 2009-10-22 at 06:00:56ID: 25633578

I'll try it and let you know

 

by: STOCRICPosted on 2009-10-22 at 06:30:33ID: 31644434

Thank you so much

20120131-EE-VQP-002

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