[er-diagram] Forum Topics

I had a quick course of database few years ago and I forgot a lot from there. So you can say I'm starting from zero. I will try to explain to you on what I want to do and a picture with what I did so far. We have a …

I was wondering if you could help me with a current issue I am having whilst developing an ER diagram. The problem I am having is with identifying the correct Entities. The scenario I am trying to complete is given below. I have also included a list of entities which …

Hi, Please I'm new in database and I need your help, I'm working on my database project and before to continue I would like to be sure that my NORMALIZATION 3NF and my ER Diagram are correct. **Normalization 3NF** DESIGN PARTS SPECIFIED IN DESIGN PARTS PARTS USED AS SPECIFIED IN …

Anyone will help me to solve this? this is about ER diagram and some other stuff about database. This is the exercise: ----------------- "Project a DataBase to support a architectural studio which offers its customers proposals refurbishment. Each component of furniture ( table , chairs , ... ) is characterized …

i have some five problem like this can u help? 1.Cargo Tracking Management System 2.Supermarket Sales and Inventory Control System 3.Emergency Call Management System 4.Job Management System I want to what are the entities of these problems?

I'm working on a database project. I avve to build a DB for medical record (hospital) but I'm not too familiar with hospital stuff. I have to come up with entity sets with their attributes, build an ER diagram and then do a Query with GUI included. What I need …

SQL> DESC TOPPING; Name Null? Type ----------------------------------------- -------- ---------------------------- TOPPINGID NOT NULL NUMBER TOPPING VARCHAR2(10) TOPPINGTYPE VARCHAR2(5) TOPPINGCOST NUMBER(4,2) SQL> DESC PIZZATOPPING; Name Null? Type ----------------------------------------- -------- ---------------------------- PIZZAID NOT NULL NUMBER TOPPINGID NOT NULL NUMBER SQL> DESC PIZZA; Name Null? Type ----------------------------------------- -------- ---------------------------- PIZZAID NOT NULL NUMBER PIZZANAME …

Hey everyone, I am just wondering what is based on what when designing a database.. Is an ER based on DFD? and Is a database design based on ER or DFD? I have got different names for data stores in my DFD and my other group member has different names …

Need some help, practising for an exam and need to make sure I have got this right as it has came up a number of times. Here is the information from a relational representation and I have drawn a ER diagram for this, can someone please tell me if I …

I'm having troubles designing the following ERD, I find it extremely hard, so I would appreciate any suggestions on how to resolve it. I need to store sentences in PHP and another ones in JAVA, always mapping them between languages and map their equivalent position between them too, so every …

Hello. I've been attempting a few exercises to brush up on my ER Diagrams using UML notation. I would greatly appreciate some help regarding this particular problem: • A patient can make many appointments with one or more doctors in the clinic, and a doctor can accept appointments with many …

Hi folks, I'm building a database to store student exam results so that transcripts can automatically generated. This is a final year project for university so the database will never be used. I am a complete amateur when it comes to designing databases. [ATTACH]5254[/ATTACH] I have attached the relational schema …