Enamel Microabrasion. Mechanical removal of a small amount of tooth structure (not more than a few tenths of a millimeter in depth) to eliminate superficial enamel discoloration defects not successfully removed by bleaching techniques. A common abrasive is a mixture of pumice and hydrochloric acid.
Database Development Teams: The Great Divide. Software-application development involves more people than just the developers; the work of architects, testers, project managers, andâif the application stores dataâDBAs affects the applicationâs success.
Deciding how and where this information is stored is the domain of the database designer. Working with a system architect and a requirements analyst, the database designer ensures that all necessary data has a place to be stored. At the same time, the speed at which the data can be stored and retrieved are taken in to account so that user's are not left waiting for unreasonable amounts of time. Sometimes database designers take on database related activities such as arranging for backups, creating ad-hoc reports, and server tuning. However, these other tasks are often part of a Database Administrator's (DBA) job. Related Terms. 1  Database Administrator (DBA). 2  Data Architect. 3  Data Modeler.