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 is relational dbms, What is Relational DBMS This is our subject of...

What is Relational DBMS This is our subject of study. A DBMS is relational if the data is organized into relations, that is, tables. In RDBMS, all data are kept in the well-kno

Explain the cascadeless schedule, Explain the Cascadeless Schedule A ca...

Explain the Cascadeless Schedule A cascadeless schedule is one in which for every pair of transactions Ti and Tj like that Tj reads a data item before written by Ti, the commit

Database recovery and security, Database Recovery And Security Introdu...

Database Recovery And Security Introduction In this part we will introduce two main issues relating to database management systems. A computer system suffers from dissi

Explain the disadvantages of a file processing system, Explain the disadvan...

Explain the disadvantages of a file processing system? Ans: Disadvantages of File Processing Systems include: 1) Data Redundancy 2) Data Inconsistency 3) Difficult to acce

Explain sorted file with advantages, Explain sorted File with advantages? ...

Explain sorted File with advantages? Sorted file The sort utility shall perform one of the subsequent functions: 1.Sort lines of all the named files together and write the

What is the main advantage of the object model, What is the main advantage ...

What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many

Serialisable schedules, Serialisable Schedules: If the processes of two tra...

Serialisable Schedules: If the processes of two transactions conflict with each other, how to verify that no concurrency related problems have happened? For this, serialisability t

Database for online assignment system, i want to database for online assign...

i want to database for online assignment submission system

Concurrency control, discuss the purpose of the concurrency control?

discuss the purpose of the concurrency control?

In which format database schema is written, In which format database schema...

In which format database schema is written ? Data base schema is written in the DDL format.

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages