What is an ER diagram? Why is it used in Database management system (DBMS)?

Posted Date: 12/2/2014 10:30:22 AM | Location : Pakistan

Ask an Expert

Related Discussions:- ER diagram in database, Assignment Help, Ask Question on ER diagram in database, Get Answer, Expert's Help, ER diagram in database Discussions

Write discussion on ER diagram in database
Your posts are moderated

Write your message here..

Related Questions

External failure-database recovery and security, External failure : A failu... External failure : A failure can also result because of an external cause, such as earthquakes, fire, floods, etc. The database must be duly backed up to avoid troubles occurring d

Equijoin, When every condition appears with equality condition (=) only. c)... When every condition appears with equality condition (=) only. c)   Natural join (denoted by R*S) When two join attributes have the similar name in both relations. (Tha

Explain derived and non-derived attribute, Explain Derived and Non-Derived ... Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e

Dbms, statical data statical data

Hashing techniques, folding method and mid square method using visual basic... folding method and mid square method using visual basic

What is the use of a slotted-page structure, What is the use of a slotted-p... What is the use of a slotted-page structure and what is the information are there in the header? The slotted-page structure is used for organizing records within a one block.

What are the factors into account when choosing a raid level, What are the ... What are the factors to be taken into account when choosing a RAID level? A) Monetary cost of extra disk storage requirements. B) Performance requirements in terms of number

Explain the deferred update, Explain the Deferred Update The deferred ... Explain the Deferred Update The deferred update methods do not physically update the database on disk till after a transaction reaches its commit point; after that the updates

Hashing technique, note on hashing technique note on hashing technique

What are the various forms of data transparency, What are the various forms... What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency