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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 2 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Design an ERD for the  and an M-N self-referencing relationship. For the Task entity type, add attributes TaskNo (primary key), TaskDesc, TaskEstDuration, TaskStatus, TaskStartTime, and TaskEndTime. Choose an appropriate relationship name using your common knowledge of precedence connections among tasks. Define minimum cardinalities so that the relationship is optional in both directions
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