Using Data warehousing in strategic decision making

Many companies viewpoint of data integration  is blinkered, they see it as something that is purely IT department related and is involved with the mythical subjects of ETL and data warehousing. They are missing, and therefore not utilising the power behind these tools  to harness all the information held by the company and use it productively

If you ignore the advantages of Data integration, warehousing and ETL you are paying a high price for  integrating data, thereby encouraging the creation of data silos and forces the spending of an inordinate amount of time reconciling data to fill the information gaps.

Seen simply data integration involves the ability to gather information, transform it into something understandable and then present it in a way that is useful to the stakeholder. Now that is ETL in a nutshell. ETL tools allow the  automation of these tasks and give developers  a toolkit to enhance their hand-coding abilities. These tools, for example, include  transformations for the basic tasks of converting data and performing lookups to complex processes of change data capture. These prebuilt transformations increase the productivity of the developer productivity and allow a greater consistency in the final results..

Data integration is chiefly  associated with batch processing (ETL) that then send the transformed data to data warehouse or some other storage based technology such as EAI, EII or SOA. The reality of working this way is that companies had to start from scratch every time they had a new data integration task. This resulted in data silos being built using different technologies, therefore producing inconsistent business intelligence.

Data integration vendors are now combining all the relevant technologies into data integration suites which enable companies to integrate data in a consistent manner with the appropriate transport technology.

As more powerful suites, data integration has evolved and now includes such initiatives as:data migration, application consolidation, business information and and product information management.

About the Author: Mike has more than 15 years ox experience designing and implementing Data warehouses based on Oracle, MS SQL Server, MySql, PostgreSQL and more he is currently working for DB Software Laboratory

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