above syntax assumes cust table has a field called "rate", and your new table "NewRate" has a field called "NewRate"
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linking tables
Hi Experts,
I have an existing master table CUST with 1000 records. Each customer has its own rate which changes periodically and needs to be updated accordingly on the master table. Sales department will give me an Excel file with two fields Cust_no, Rate for those customers requiring rate change.
I know in VFP, I will do the following:
1. convert the Excel file to a .dbf file (NewRate.dbf)
2. SET RELATION TO Cust_no INTO NewRate
3. REPLACE ALL frate WITH NewRate.rate
Can you tell me how to accomplish the above in SQL?
Thanks.
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by: gohordPosted on 2009-11-05 at 08:34:18ID: 25751180
1. Right click on target database and select "Import Data"
2. Use the SQL Server Import Export Wizard to import the Excel Spreadsheet into a new table
3. Use the following query to view what would be updated by joining the new table to the existng CUST table:
select * from cust
left outer join newRate on newRate.custno = cust.custno
If that works and you like the results, you can update the soruce table using syntax like this:
update cust
set [rate] = NewRate
from cust
left outer join newRate on newRate.custno = cust.custno