Metadata is defined as “data about data,” but it can also be explained as another layer of information created to help people use raw data as information.
Metadata provides context to raw data; it is the business and technical rules that provide that particular data element meaning, as illustrated in Figure 14.1.
Figure 14.1. Example of business and structural metadata
Metadata has been referenced throughout this text, in fact in almost every chapter. It has discussed both the business and technical types of metadata. This chapter goes into detail into what constitutes business and technical metadata, how ...