Increase size of a column in all tables in an ACCESS 2010 database

I have inherited a database that has the key id text column limited to 12 characters.  Well, due to the way the key is created, duplicates are happening.  Is there a way to increase all the PersonId columns across all the tables to 15 characters rather than having to do each table one by one?
Sandra SmithRetiredAsked:
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Scott McDaniel (Microsoft Access MVP - EE MVE )Infotrakker SoftwareCommented:
You could loop through the TableDefs collection and issue an ALTER statement:

Dim dbs As DAO.Database
Dim tdf As DAO.TableDef

Set dbs = CurrentDB
For each tdf in dbs.TableDefs
  On Error Resume Next
  dbs.Execute "ALTER TABLE " & tdf.Name  & " ALTER COLUMN PersonID TEXT(15)"

See this article on the ALTER statement:

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Sandra SmithRetiredAuthor Commented:
You just saved me a lot of time, thank you.
Jim Dettman (Microsoft MVP/ EE MVE)President / OwnerCommented:
Besides the MSDN reference above, here's links for a three article series on everything you can do with JET SQL:

 These are all MSDN articles, but the content is no long available on MSDN, so make sure you save these.

It's my favorite series of articles on JET SQL.  Goes through each type of statement including DDL's like ALTER and gives you an example or two for each.

Sandra SmithRetiredAuthor Commented:
Jim. thank you.  They were very informative.
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