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

What are axioms, What are axioms? Axioms or rules of inference give a s...

What are axioms? Axioms or rules of inference give a simpler technique for reasoning about

Describe the nested-loop join and block-nested loop join, Describe the nest...

Describe the nested-loop join and block-nested loop join.   Ans:   The block nested- loop join algorithm is as described below:     for every block B r of relation R do beg

Lack of standards and experience, Lack of standards and experience: The la...

Lack of standards and experience: The lack of standards has considerably limited the potential of distributed DBMSs. As well, there are no tools or methodologies to help users cha

Unnormalize form, employee(empid,empname,dept,telno,mobno, add,sssno,tinno,...

employee(empid,empname,dept,telno,mobno, add,sssno,tinno,WEdates,WEcomp,WEadd,WEpos,WEres) this is a employee record which is need to be normalize.the WE means work experience

Assign, #quesDefine a job scheduling strategy that will meet business requi...

#quesDefine a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pi

Implementation of association as an object, Implementation of association a...

Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs

Which database level is closest to the users, Which database level is close...

Which database level is closest to the users? External database level is closest to the users.

Describe domain constraints, Describe domain constraints. Domain constr...

Describe domain constraints. Domain constraints contain entity integrity and referential integrity. The domain is a set of values that might be assigned to an attribute. The en

What are temporary tables, What are temporary tables? Temporary tables...

What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.

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