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

Explain data dictonary on oracle, Explain data dictonary on oracle ? Da... Explain data dictonary on oracle ? Data Dictionary - Data dictionaries are the system tables in which contain descriptions of the database objects and how they are structured.

Explain entity integrity and referential integrity rules, Explain entity in... Explain entity integrity and referential integrity rules within relational model. Show how these are realized in SQL? Entity Integrity Rule - No primary key value could be nu

Create table, What are the advantages of creating a table from existing tab... What are the advantages of creating a table from existing table?

For known, What are the function of DBA? What are the function of DBA?

What is a records management consultation, What is a records management con... What is a records management consultation? Our organization is an authority for disseminating your specific requirements and giving you with a solution to effectively manage yo

Database, 3. (10 points) Assume that you have been presented with the follo... 3. (10 points) Assume that you have been presented with the following relation for the Baxter Aviation database: Charters (Pilot#, Pilot name, Aircraft ID#, #seats, Village, Fligh

Describe the grant function and explain security, Describe the GRANT functi... Describe the GRANT function and explain, how it associates to security. What kind of privileges may be granted? How are they revoked? Ans: Since more than one user can aacce

Give the general form of sql query, Give the general form of SQL query? ... Give the general form of SQL query? Select  A1, A2............., An From  R1, R2..............., Rm Where  P

What is index, What is Index? An index is a physical structure having p... What is Index? An index is a physical structure having pointers to the data. Indices are created in an existing table to locate rows more quickly and efficiently. It is possibl

Explanation of system architecture of dbms, Q.   With the help of a suitabl... Q.   With the help of a suitable diagram gives module wise explanation of system architecture of DBMS. Sol. A Database management is a collection of interrelated data and col