Object query language and odmg schema , Database Management System

Assignment Help:

(a) Provide the description of the following ODMG schema in the Object Definition Language (ODL).

1178_data base table.png

(b) Based on the above object database, write the following queries in the Object Query language (OQL):

List the addresses of employees who work in a given department.
List the departments with the number of employees who work in those departments:
List the articles located at more than one department and their prices in each department.

Related Discussions:- Object query language and odmg schema

Explain the function of object model, Explain the function of Object model ...

Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object

What is sql?, What Is Sql? Structured Query Language (SQL) is a standa...

What Is Sql? Structured Query Language (SQL) is a standard query language. It is usually used with all relational databases for data manipulation and definition. All the re

Explain the five levels of capability maturity models, Question 1 What is ...

Question 1 What is data mining? Write Data Mining applications Question 2 What is OLAP? Write the benefits of OLAP Question 3 What is Business Intelligence? Explai

Database Normalization, I have a homework assignment due today by midnight....

I have a homework assignment due today by midnight. I need help understanding databasse normalization and determining the type of form violation & how to fix the violation.

Database life cycle, Enumerate or state the steps in creating a relevant da...

Enumerate or state the steps in creating a relevant database of a shop.

What is deadlock, What is deadlock? Neither of the transaction can ever...

What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.

Equi-join, explain equi-join using illustration

explain equi-join using illustration

Design and prototype, This assignment is worth 45% of your final grade for ...

This assignment is worth 45% of your final grade for this module. Marks will be awarded as follows: Prototypes (wireframe and web based prototype) You are expected

Having clause-data manipulation language, Having clause This clause...

Having clause This clause is used for producing conditions on grouped information. Example: Find maximum salary and department number of those departments where maxim

Er schema can be represented by relation schemas , Q. Describe how an ER sc...

Q. Describe how an ER schema can be represented by relation schemas and constraints arising from ER design can be mapped to constraints on a relation schema. The entity rela

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages