Unable to start specified database, was created by a different version of the software

I am using SQL Anywhere.  When I connect to a database file I get:
Could not connect to the database.
Unable to start specified database: C:\sybase\szrules.db was created by a different version of the software
[Sybase][ODBC Driver][SQL Anywhere]Unable to start specified database: C:\sybase\szrules.db was created by a different version of the software
      Error code=-82
      SQL state=08001

I'm pretty sure the person who sent me the database was using version 10, but in any case how to I upgrade the database?  When I try using the tools > upgrade database option, it requires that the database be connected first.  Any way to tell which version created the database?
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You can tell which version the database was created with by looking at the first couple of hundred bytes of the database file with a hex editor.  The information should jump right out at you.

It may be that the version the other person is using is slightly newer than the version you have.  In most cases, SQL Anywhere will open a slightly older database but often not the other way around.  It may also be that the other person is not using v10 at all.  Take a look at the file an figure out what version you are really dealing with.


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