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):

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

Related Discussions:- Object query language and odmg schema

Data flow diagram of structured analysis and design, From SAD to OOAD (Stru...

From SAD to OOAD (Structured Analysis and Design (SAD) to Object Oriented Analysis and Design (OOAD). We will find here how we can map various models in SAD to different model

Which data type can store unstructured data, Which data type can store unst...

Which data type can store unstructured data? Raw data type can store unstructured data.

Eliminate repeating groups, Eliminate Repeating Groups The problem is, ...

Eliminate Repeating Groups The problem is, "Find out the list of employees, who knows DB2". For this problem we require to perform an awkward scan of the list looking for re

HIT, Meaningful use refers to the use of certified EHR technology to "enhan...

Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities

Enumerate about the high-level transitions result, Show, with the help of a...

Show, with the help of an example, that relatively high-level transitions result when system or program is stimulated by the outside events. In diagram below, we can observe i

Evaluate the null hypothesis, 1.Suppose you are given a dataset that consis...

1.Suppose you are given a dataset that consists of a random sample of tasters, on which the following variables were obtained: (y) Zpref = taste preference for green beans store

Define specialisation and generalization in brief, Define Specialisation an...

Define Specialisation and generalization in brief? Specialisation / generalization: Generalization or Specialization represents the is a relationship set, an necessary element

Define data conversion, Define data conversion? Helpful to load data in...

Define data conversion? Helpful to load data into temporary staging tables. Then can write SQL code to do much of data processing. SQL code is simpler and faster to write than

E-R Diagram, The H. I. Topi School of Business operates international busin...

The H. I. Topi School of Business operates international business programs in 10 locations throughout Europe. The school had its first class of graduates in 1965. The school keep

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd