On 20 Jun 2012, at 4:43pm, Maury Markowitz <maury.markow...@gmail.com> wrote:

> So can anyone suggest any SQLite command I might send in through the SQL 
> interface that should return something even if there is no active DB 
> connection?

Your interface may do its own checking for a DB and refuse to process a SQLite 
command without it.  But you should be able to do either or both of the 
following commands

SELECT sqlite_version()
PRAGMA database_list

which will both return tables, like a SELECT command would.

By the way, if you want to check out that you really do have a working database 
file, there's a SQLite utility called the 'sqlite command line shell' which is 
fully supported by the SQLite team.  Download a version from here

<http://www.sqlite.org/download.html>

and the documentation is here

<http://www.sqlite.org/sqlite.html>

.  If that shell tool can open your database and you can do a '.tables' on it 
and see the right tables, then the database file is definitely there, and in 
the folder you think it's in.  If the shell tool can't see the tables in your 
database then there's no point in trying anything else until you've figured out 
what's wrong.

Simon.
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