hand draw an entity-relationship diagram to visually represent a database design this an example, you can choose any subject PROFESSORPK PROF NUMFK1 DEPT_CODEPROF_SPECIALTY HI-PROF RANKPROF_LNAMEPROF_FNAMEPROF INITIALPROF_EMAILHEteadhesHECLASSPK CLASS CODEincludesPK SEMESTER CODECLASS_SECTIONCLASS TIMEFK1 CRS_CODEFK2 PROF NUMFK3 ROOM_CODEFK4 SEMESTER_CODEis used for#ROOMPK ROOM CODEHitROOM_TYPEFK1 BLDG_CODEFt.SEMESTERemploysHITSSEMESTER YEARSEMESTER_TERMSEMESTER_START_DATESEMESTER_END_DATEgeneratesis found inis dean of._contains +1-4HchairsPKFK1COURSECRS CODE-OHENROLLPK,FK2 CLASS CODEPK,FK1 STU NUMENROLL_DATEENROLL_GRADEBUILDINGPK BLDG CODEPKBLDG_NAMEBLDG_LOCATIONSCHOOLSCHOOL CODESCHOOL_NAMEDEPT_CODECRS_TITLECRS_DESCRIPTIONCRS_CREDITFK1 PROF NUMDEPARTMENTPK DEPT CODEŤoperatesDEPT_NAMEFK1 SCHOOL CODEFK2 PROF NUMoffershasis written inOFK1+HSTUDENTPK STU NUMadvisesFK2DEPT_CODESTU_LNAMESTU_FNAMESTU_INITIALSTU EMAILPROF_NUM

Answered: hand draw an entity-relationship…

hand draw an entity-relationship diagram to visually represent a database design this an example, you can choose any subject

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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Concept explainers

Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.

Question

hand draw an entity-relationship diagram to visually represent a database design this an example, you can choose any subject

PROFESSOR
PK PROF NUM
FK1 DEPT_CODE
PROF_SPECIALTY HI-
PROF RANK
PROF_LNAME
PROF_FNAME
PROF INITIAL
PROF_EMAIL
HE
teadhes
HE
CLASS
PK CLASS CODE
includes
PK SEMESTER CODE
CLASS_SECTION
CLASS TIME
FK1 CRS_CODE
FK2 PROF NUM
FK3 ROOM_CODE
FK4 SEMESTER_CODE
is used for
#
ROOM
PK ROOM CODE
Hit
ROOM_TYPE
FK1 BLDG_CODE
Ft.
SEMESTER
employs
HITS
SEMESTER YEAR
SEMESTER_TERM
SEMESTER_START_DATE
SEMESTER_END_DATE
generates
is found in
is dean of
._contains +1-
4H
chairs
PK
FK1
COURSE
CRS CODE
-OH
ENROLL
PK,FK2 CLASS CODE
PK,FK1 STU NUM
ENROLL_DATE
ENROLL_GRADE
BUILDING
PK BLDG CODE
PK
BLDG_NAME
BLDG_LOCATION
SCHOOL
SCHOOL CODE
SCHOOL_NAME
DEPT_CODE
CRS_TITLE
CRS_DESCRIPTION
CRS_CREDIT
FK1 PROF NUM
DEPARTMENT
PK DEPT CODE
Ť
operates
DEPT_NAME
FK1 SCHOOL CODE
FK2 PROF NUM
offers
has
is written in
OFK1
+H
STUDENT
PK STU NUM
advises
FK2
DEPT_CODE
STU_LNAME
STU_FNAME
STU_INITIAL
STU EMAIL
PROF_NUM

Organized collection of structured information, or data, typically stored in a computer system.

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