Investigation, modification, and handover support for systems without specifications.
J&C Company
There is no specification document and no person in charge. For systems developed by other companies, we will organize the approach for investigation of the current situation, modifications, and maintenance handover.
Cannot find the specifications," "Unable to contact the development company," "The person in charge has resigned, and I don't understand the system" — J&C supports the investigation, modification, and maintenance handover of existing systems. We confirm the current system through source code, databases, screens, reports/CSV, logs, server environments, and interviews with users. Even if old documents are available, we will verify them against actual operations. Based on the investigation results, we compare options for continued use, partial modifications, system integration, gradual renewal, and complete migration. We prioritize organizing the information necessary for future maintenance and incident response, leading to a smooth handover. You can consult us even if the documentation is incomplete or if the policies for modifications or renewals have not been decided. We will assess the feasibility and scope based on the available information and investigation results. The published catalog explains "7 pieces of information to confirm," "4 stages of investigation," and "preparations before handover and consultation.
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basic information
**Main Information to Investigate** - Consistency between source code and production program - Structure, items, and relationships of the database - Input and output such as screens, reports, and CSV files - Processing logs and error logs - Environment including server, cloud, OS, and DB - External integration via API, CSV, etc. - User business flow, exception handling, and manual processes **Approach to the Investigation** 1. Collect remaining documents and environmental information 2. Technically investigate the system 3. Cross-check with actual business operations 4. Organize current specifications and information necessary for maintenance **Organization for Handover** System configuration diagrams, list of functions, data integration, operational methods, history of failures and modifications, and information necessary for backup and recovery. *The scope of documentation will be determined based on purpose and priority.* *There may be limitations in the scope of response if source code is not available.*
Price information
Individual estimate. We will confirm the availability of materials and source code, technical environment, subjects of investigation, content of modifications, and scope of handover, and provide you with the costs and scope of support.
Delivery Time
※We will individually provide guidance after confirming the status of the target system and materials, the scope of investigation, modification, and handover, as well as your preferred timing.
Applications/Examples of results
Please consult us in situations like these: - The specifications or design documents cannot be found. - Only old materials are available, which do not match the current operation. - Unable to contact the development company. - There is no one who understands the system due to the retirement or transfer of the person in charge. - I want to modify a system developed by another company. - I want to organize handover information to change the maintenance company. - I need materials to decide whether to modify or replace. - I want to review business operations that are supplemented by Excel or manual work. You can consult us about existing business systems such as sales, inventory, billing, and attendance. We will determine our ability to respond after confirming the current situation.
catalog（1）
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Company information
This is a company in Okayama that "contributes to business in the Asian region." Its areas of expertise include "business software development," "web system development," and "app development," and recently it has been proposing solutions to various industries such as "IoT," "AI," and "embedded systems." It offers its own cloud product, the management foundation service "Tsunagaru Works," aimed at small and medium-sized enterprises, which is being rolled out nationwide (utilizing IT introduction subsidies).
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