What is an entity relationship model, Database Management System

Assignment Help:

What is an entity relationship model? 

The  entity  relationship  model  is  a  collection  of  basic  objects  known as entities  and  relationship  between  those objects. An entity is a thing or object in the real world that is distinguishable from other objects

 


Related Discussions:- What is an entity relationship model

Define deferred update technique of recovery, Discuss deferred update techn...

Discuss deferred update technique of recovery.  What are the advantages?  Ans:  The deferred update methods do not physically update the database on disk till after a transact

Er diagram, Draw an ER diagram for company''s database schema

Draw an ER diagram for company''s database schema

4, explain the level architectures of the database management system

explain the level architectures of the database management system

Doppler Effectabase Management , #question. Draw a picture of a moving sour...

#question. Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wave-fronts in front of the

Explain about database system structure, Explain about database system stru...

Explain about database system structure? Storage manager Authorization and integrity manager Transaction manager File manager Buffer manager Storage manager

What is an index, What is an index? An index is a structure that helps ...

What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.

What are the requirements of algorithm designer, What are the Requirements ...

What are the Requirements of algorithm designer Algorithm designer should: i) Select proper algorithm so as to minimize implementation cost ii) Find most appropriate d

Skills required, wrie a report on whether a BSc n information systems devel...

wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration

aggregate functions-data manipulation language, Aggregate functions ...

Aggregate functions Some of these functions are min, count, max, and avg. These functions help in getting consolidated information from a set of tuples. Example:

Create a view containing name and number of department, Create a view emp_d...

Create a view emp_dep containing e_name and number of dependents from the tables employee and dependent of (i) CREATE VIEW emp_dept AS SELECT ename, COUNT(*) FROM employee, dep

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