Oracle Technologies drives many aspects of today's business operations. The ability to set up and then maintain your database system(s) is just as important as the content that you will load and display.
The quality of the data can therefore be affected by how you implement the Information Technology solutions you choose and how you build it.
Metrics on how systems are used, loaded, and their peak usage times are methods DBA's use for understanding what is occurring with the system. With time, and those system measurements, most applications are tuned with DBA guidance by a professional programmer.