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

Draw an er diagram with primary key for a farm, Draw an ER diagram that rep...

Draw an ER diagram that represents the information described below. Show all entity sets, relationship sets, primary keys, and the mapping cardinality of the relationship sets.

What is icr, What is ICR? A. ICR (Intelligent Character Recognition) is...

What is ICR? A. ICR (Intelligent Character Recognition) is a technology that gives scanning and imaging systems the ability to identify images of hand-printed or script charact

Recovery management component, Ask question #Minim 100 words accepted#what ...

Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful

Explain dynamic two-phase locking, Explain Dynamic Two-Phase Locking H...

Explain Dynamic Two-Phase Locking Here a transaction locks a data item instantly earlier than any operation is applied on the data item. After finishing all the operations on

Explain cursors in sql, Explain cursors in SQL? Cursors in SQL - An o...

Explain cursors in SQL? Cursors in SQL - An object used to store the output of a query for row-through-row processing through the application programs. Cursors are constructs

Which database object does not physically exist, Which database object does...

Which database object does not physically exist? A view database object does not physically exist.

Discuss the types of integrity constraints with example, Discuss the types ...

Discuss the types of integrity constraints in which must be checked for the update operations - Insert and Delete. Give examples. Insert operation can violet any of the subse

Fragmentation, let us consider a table having 2200 records and the fixed si...

let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation

Define- relational algebra, Define- relational algebra. The relational ...

Define- relational algebra. The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relati

What is authorization graph, What is authorization graph? Passing of au...

What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages