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C-ISAM, DISAM96 & Flat Files Unix and Windows
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 Redevelop or Leverage?
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Traditional database applications centred on Indexed Sequential Access Method
or Host Serial or Flat files have
in the past been difficult to integrate into other systems and desktop
applications. In many cases, applications have been running successfully for
several years, and have frequently been implemented in 3GL computer languages such
as COBOL and 'C' or Fortran using character based interfaces. Additionally, some
4GL's such as the Cognos's Powerhouse or
PROIV Technology's PROIV incorporate C-ISAM files in their Unix
implementations. Frequently these applications have been
provided as stand-alone packages from software companies
specialising in vertical markets. The dilemma
for the supplier is the that the application can be very efficient and cost
effective, but can look old fashioned and be hard to sell to new customers; and existing clients may want to integrate and exchange the data more freely
using contemporary office software, or want a graphical user interface or an
Internet or Intranet gateway to parts of the application. |
| Redevelopment is generally costly, risky, and often unsatisfactory, particularly
when the main aim is to make the application look and act in a contemporary way.
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| Our approach is to allow developers and users
to leverage the knowledge
and expertise they already have, while at the same time to be able to take
advantage of powerful ODBC enabled desktop applications and browser based technology. |
| We supply a range
of character and graphical based software tools which will assist in the
following ways: |
- Data Manipulation and Analysis:
add/delete/resize fields, create new files, sets or reselections, patch
data, import/export data
 or
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- Create new Browser based functionality
without a web server
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- Integration into ODBC enabled desktop
applications
 (Schema's required using
's Data
Definition Language)
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