Create a Crow's Foot ERD Model for a Train Station with these entities. I already did the ERD Diagram! What are the Cardnitalities in the Diagram and give me an explanation for the Relationship? Entities:  Train  Station  Schedule  Passengers  Route  Stop

What would an actual use case diagram for a restaurant that consist of the data provided in the attacted image look like? I am not looking for another use case diagram in a table format but rather a diagram that has the system (restaurant) in the middle with several stick figure (actors) around the system interating (use cases) with it.  Thank you

Prepare an E-R diagram for a real estate firm that lists property for sale. Identify all entities (supertype/subtype), attributes (optional/required), unique identifiers, relationships and relationships cardinality and optionality. Resolve any M-M relationship you find. • The firm has several sales offices in several states. Each sales office has Office_Number and a Location. • Employees are assigned to work in different sales offices. Each employee has an ID and Name. • An employee must be assigned to only one sales office. For each sales office, there is always one employee assigned to manage that office. For each manager we record the start date of the management job. • The firm lists properties for sale. Each property has an ID, description and Location. Each unit of property must be listed with one (and only one) of the sales offices. A sales office may have any number of properties listed. • Each unit of property has one or more owners. owners have ID and Name. An owner may own…

Problems 1 and 3 on pages 234 - 236 of the course textbook.   You must use Draw.IO or MS Visio to complete this case study.Create an ER diagram   Explain all normalization issues that exist in the ER Diagram.   I want the ER Diagram before normalization and after normalization.   Explain all normalization problems that you corrected between the first and second ER diagram.   Normalize the data in the ER Diagram to 3NF See the video for a demonstration on how to do this: https://www.youtube.com/watch?v=Nq91b4TQ29Q   Create a dependency diagram using the information from your ER diagram. See the video for a demonstration on how to do this: https://www.youtube.com/watch?v=wFOJnRxqrp8   You must label all determinants and dependencies.   Note: You must convert your DrawIO files to .jpg, gif or bmp images before you upload the assignment to Canvas. Copy and paste all diagrams into an  MS  Word document. Please make sure that you enlarge all diagrams so they can be easily…