How informix applications are typical built ?

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Gil Lapid - 26 Sep 2006 01:41 GMT

Hi,

I'm looking for Marketing data on how application(home grown
application not
packaged application) that is written on top of Informix interact with
the
database.
I assume it can be one of the following options :

OLEDB\ODBC\JDBC\ADO.NET
4GL
ESQL\C

I'm interested to know what is the most common way for the application
to be
built.

Thanks,

Gil

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Carsten Haese - 26 Sep 2006 15:29 GMT

> Hi,
>
[quoted text clipped - 8 lines]
> 4GL
> ESQL\C

There's also ESQL/J (the Java equivalent of ESQL/C), ESQL/Cobol (if
anybody still uses that) and a C++ library. According to the
documentation it's also possible to build client applications using the
libmi datablade API, but I don't know anybody that has done so.

Some programming languages support Informix connectivity using
third-party modules that use some of the above under the hood. PHP and
Python have Informix modules that are implemented in ESQL/C, and I
believe the Perl module is also implemented in ESQL/C. Even though these
modules are implemented in ESQL/C, the programmer is shielded from that
and doesn't use ESQL/C per se.

> I'm interested to know what is the most common way for the application
> to be
> built.

The plural of "anecdote" is not "data", but here goes. I use primarily
Informix 4GL (and derivatives/successors), some PHP, and whenever I can,
I use Python. The mix is probably 95% 4GL, 3% PHP, and 2% Python.

Hope this helps,

Carsten.

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