Aliases

Which are logical pointers to an alternate table name. This command is dimmed until you select a table within the Structure window.You can define aliases to resolve the loops that Designer detected in the universe structure.This feature works only if you have defined at least one join and all the cardinalities in the joins have been detected.

Context

Can be used to resolve loops in the universe, You can create contexts manually, or cause them to be detected by Designer. When contexts are useful, Designer suggests a list of contexts that you can create.

Sithu