Consider the following ER diagram and answer the following questions. Please only answer the questions (short and simple) to understand. a. List the strong (nonweak) entity types in the ER diagram. b. Is there a weak entity type? If so, give its name, partial key and identifying relationship c. What constraints (in terms of relationships) do the partial key and the identifying relationship of the weak entity type specify in this diagram? d. List the name of all the relationship types, and specify the (min, max) constraint on each participation of an entity type in a relationship type. Justify your choices.RegionName CharName MaxHitPoints Level MaxMana AcctName Password LastPlayed ExpPoints CurrHitPoints 0000 RegionName Climate Precipitation Foliage Created On Туре CurrMana Playersin LastSigned On SbscrbrName Account Has Character Contains Region SbscrbrAddress SbscrbrEMail SbscrbrPhone Carrying AcctCreated On ItemName CreepName IDNum RanInto Item Instantiation IsType Item Modifier Item Type WhenCreated ItemDamage Carrying HitPoints Creep IsType Creep Instantiation n Contains Mana IDNum Attack

Consider the following ER diagram and answer the following questions. Please only answer the questions (short and simple) to understand. a. List the strong (nonweak) entity types in the ER diagram. b. Is there a weak entity type? If so, give its name, partial key and identifying relationship c. What constraints (in terms of relationships) do the partial key and the identifying relationship of the weak entity type specify in this diagram? d. List the name of all the relationship types, and specify the (min, max) constraint on each participation of an entity type in a relationship type. Justify your choices.RegionName CharName MaxHitPoints Level MaxMana AcctName Password LastPlayed ExpPoints CurrHitPoints 0000 RegionName Climate Precipitation Foliage Created On Туре CurrMana Playersin LastSigned On SbscrbrName Account Has Character Contains Region SbscrbrAddress SbscrbrEMail SbscrbrPhone Carrying AcctCreated On ItemName CreepName IDNum RanInto Item Instantiation IsType Item Modifier Item Type WhenCreated ItemDamage Carrying HitPoints Creep IsType Creep Instantiation n Contains Mana IDNum Attack

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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