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st: ODBC import


From   Janet Hill <janethill73@yahoo.co.uk>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: ODBC import
Date   Fri, 13 Dec 2013 16:57:16 +0000 (GMT)

I need to import some large tables from Access 2013 to Stata 13.1 and I have been using the following command:
clear
odbc load,exec(`"SELECT Demographics.*, Visit.* FROM Demographics INNER JOIN Visit ON Demographics.Hospid = Visit.HosPid"')///
lower allstring connectionstring(`"Driver=Microsoft Access Driver (*.mdb, *.accdb);DBQ=C:\Students\September.accdb"')

This fails with the error:
hospid already defined
r(110);

and this occurs because Stata does not prefix the column name with the table name. I can explicitly add each table.column, which works on a small dataset,but because there are 15 columns in one table and 30 in the other this becomes unwieldy and prone to typing errors. Other tables may be larger.

I would be grateful for any suggestions on how to solve this problem.

Many thanks,
Janet

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