Mercer leverages proprietary data, landmark global surveys, and advanced tools to design cost-efficient and relevant global employee benefits. It allows us to: Review worldwide benefits plans. Benchmark local market data. Optimize your benefits spend. Leverage global buying power.
Domain Classes and Objects. Objects that represent domain entities are called entities or domain objects. The classes they instantiate are called domain classes. Executing a use case involves creating, destroying, querying, and updating domain objects.
A sequence object is usually used to generate unique identifiers for rows of a table. The sequence functions, listed in Table 9-34, provide simple, multiuser-safe methods for obtaining successive sequence values from sequence objects. Table 9-34. Sequence Functions. The sequence to be operated on by a sequence-function call is specified by a regclass argument, which is just the OID of the sequence in the pg_class system catalog. You do not have to look up the OID by hand, however, since the regclass data type's input converter will do the work for you.