Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier?
Options: is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box., assumes that the black box is independent, assumes that inputs and outputs will remain stable, All of the above
Options: Acts as the fastest port to all servers., Provides multiple collision domains on one switch port., Breaks up broadcast domains in a layer 2 switch internetwork., Provides multiple broadcast domains within a single collision domain.
Options: to recognize the major constructs of the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs, to build a literal table and an identifier table, to build a uniform symbol table, to parse the source program into the basic elements or tokens of the language
Options: A process to reject data from the data warehouse and to create the necessary indexes, A process to load the data in the data warehouse and to create the necessary indexes, A process to upgrade the quality of data after it is moved into a data warehouse, A process to upgrade the quality of data before it is moved into a data warehouse