Determine the persistent object, Database Management System

Assignment Help:

Determine the Persistent object

Persistent object can be stored in one of the following:

Files

Cheap, permanent, simple storage
Low level (Write, Read)
Applications must add a code to provide a suitable level of abstraction.

Relational database

Standardized and easy to port
Supports multiple writers, readers
Mature technology

Object database

One-to-one mapping from analysis model
Associations are straight represented
Slower than relational databases for the complex queries

Related Discussions:- Determine the persistent object

What are the different integrity constraints in rdbms, What are the differe...

What are the different integrity constraints in RDBMS? The various integrity constraints in RDBMS are as: Primary Key: primary key is a grouping of one or more attributes

Why does a dbms query language is designed, Why does a DBMS query language ...

Why does a DBMS query language is designed? A DBMS query language is designed to support end users who use English-like commands. support in the development of complex applicat

NORRMALIZATION, Home based assignment Consider an ORDER table with the foll...

Home based assignment Consider an ORDER table with the following attributes: • Order Number (ONo),Customer Number (CNo),Customer Name (CNa),Item Number (INo),Unit Price (UP), Quant

Write short notes on index structure of files, WRITE SHORT NOTES ON INDEX S...

WRITE SHORT NOTES ON INDEX STRUCTURE OF FILES? There are two basic parts of indices 1. Ordered indices 2. Hash indices Every technique must be evaluated on the bas

Describe physical data independence, Describe Physical Data independence ? ...

Describe Physical Data independence ? Physical Data Independence - It is capacity to modify the internal schema without having to change conceptual schema. Therefore, the exter

In an e-r diagram how attributes are represented, In an E-R diagram how att...

In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.

BMIS 351, Ask question #MinimRead Dennis et al. Chapter 6: Minicase 2. Work...

Ask question #MinimRead Dennis et al. Chapter 6: Minicase 2. Work through it and answer the questions. See the attached example. SequenceDiagram.png Based on the structural mod

File organisation and its types, File Organisation And Its Types Just ...

File Organisation And Its Types Just as arrays, trees, lists and other data structures are used to execute data Organisation in main memory, a number of planning's are used to

Decomposition, properties of derirable decomposition

properties of derirable decomposition

Write short notes on schema diagram, Write short notes on Schema diagram. ...

Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appea

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages