Object-relational database, definition

Thus, it is clear that the safety surveillance process is an iterative one. It looks at multiple data sources, whether screening large regulatory databases, looking at company databases or looking at manufacturing Lot related AEs for patential problems. The surveillance process screens the data using both the intraproduct and the interproduct methods. The object is to identify topics for further review to develop case definition, to compile a case series and then to characterize that case series. 

These rules are also used to extract data from the database. An object loader, another object in the SRS system, can be defined in the meta definition layer and describes the way a token table relates to a field to be extracted and viewed. 

The field information is related to a particular token table via the index-Token attribute in the Field object. Hence, when a particular piece of information from the description field of the EMBL databank is requested, SRS looks in the description field meta definition for the EMBL database... 

Wherever in our definition of a class we include attributes whose values might be other objects from the database (implicitly defining in this manner relations between objects). 

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