Data migration from Legacy systems to modern application






                          Data migration process import the legacy data to a new system. This can involve entering the data manually, moving disk files from one folder to another, database insert queries and developing custom software.  The method used for any particular system depends entirely on the systems involved and the nature and state of the data being migrated. Data migrations are complex. 


                         To perform data migration the following steps must be performed; analyze and define target structure, analyze and define source structure, perform field mapping  and define the migration process. The analyze and define source and target structures, that must be performed on the existing system as well as the new system to understand how it works. Data migration  that differs from data movement, data integration and conventional extract transform and load respectively. It will include the process of extraction, transformation and loading process involved in migration of a database. 



                               Legacy systems are face some   challenges like the systems are very expensive to maintain, businesses have already invested huge amount of money on developing these platforms, and need to spend even more on maintenance and up-gradation if they continue to use them. Legacy systems are difficult to Integrate with latest technologies.



             Several organizations implement latest database application system to replace the functionality currently delivered by one or more legacy systems, the legacy system remains essential for their business and decision making. Data Migration is crucial for business development as it helps to create better user interfaces and add functionality essential for surviving in a competitive world. There are some challenges faced while modernizing a legacy system; they are significant modernization costs and duration, organizational change management, stakeholders commitment, co-existence of legacy and new Systems. All the same, migration of the legacy systems to modern systems that  helped in enhancing the performance of the new application, reducing down time and also in providing the report analysis.

Comments

Post a Comment

Popular posts from this blog

Best way to software audit review, tracking, testing and management

Image
                          A software audit review is a type of software review in which one or more auditors who are not members of the software development organization conduct an examination of a  software process to assess compliance with specifications.                           During the software testing inspection the documents are prepared  thoroughly by the reviewers before the meeting. It also involves peers to examine the product.  Software auditing is an important procedure in all organizations, that may be include the following factors like, verify compliance of standards, to solve process related problems , ensure continued reliability of the process and improve the testing process.                                    ...
Read more

ERP methodology implementation

Image
                              Enterprise Resource Planning (ERP) is used to manage the internal and external resources of an organization. These include the physical assets, financial resources, materials and human resources. The industries have a process in place to govern how software applications are developed , maintained, and deployed. The erp methodology is based on company established objectives and requirements. So its implementation is a type of project most likely included and governed by these processes.                              ERP systems are used worldwide, more technology embodies a proven set of logistics, manufacturing, customer relations and financial practices. ERP implementation pal include the following steps like discovery and planning, design, development, testing etc. ERP systems can help businesses...
Read more

Information technology in library

Image
                    Today information technology (IT) highly revolutionized in the field of library and information services, which provide collection, storage, organization, processing, analysis, presentation etc. Information technology will influence library services as the GPS apps that help locate material inside the library, mobile apps that allow patrons to access library services, book delivery robots, and access to 3D printers and binding services.                               The traditional libraries are now digitized in a new manner. It enable the users to access the information required for knowledge enhancement. It’s services include the information about all the services, collections, digital resources, library instruction sessions and services, also provide remote access library resources both printed and non-printed and generation informa...
Read more