Weak entities should be specified by using double line for their shapes ,their relationship diamond and their connecting line with their owner entity. There is not implemented for connecting line .
Additional Information
Fig.1-1: References to TUWien Database Lecture
Fig.1-2: screenshot of weak entity relationship line in BigER
Description
Weak entities should be specified by using double line for their shapes ,their relationship diamond and their connecting line with their owner entity. There is not implemented for connecting line .
Additional Information
Fig.1-1: References to TUWien Database Lecture Fig.1-2: screenshot of weak entity relationship line in BigER