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Cost of Database Maintenance

What effort is required to maintain the data current and error free in a corporate database (where you work now or have worked in the past)(resources - staff hours, or staff number and type, or dollars spent for data inputting and DBA activities)?

This question in not concerned with the effort to initially build/develop and populate a database, but instead the ongoing/long term effort to keep the data and DBMS current (up to date and accurate).

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Although it is difficult to provide an actual estimate of maintaining the DBMS or database management system as it depends on a wide range of factors, I will provide some facts about database maintenance.

Total cost of ownership of a DBMS Software, as per a study is broken down into these components:

Software: 15%
Hardware: 17%
Downtime: 28%
Staffing: 21%
Training: 19%

Reference: http://www.pafis.shh.fi/graduates/sohkha02.pdf

In order to maintain data current and error free, an organization not only need to spend on annual maintenance and support costs from the vendor along with licensing fee, it also needs to regularly spend on employee training to make sure that employees handle database currently. Further, it also needs to spend on hardware for supporting the database.

A major portion of the total costs is staffing. Companies need to deploy DBMS administrators, programmers and other software professionals ...

Solution Summary

What effort is required to maintain the data current and error free in a corporate database (where you work now or have worked in the past)(resources - staff hours, or staff number and type, or dollars spent for data inputting and DBA activities)?

$2.19