Advantages And Disadvantages Of A Database Management System

DESCRIPTION OF DATABASE MANAGEMENT SYSTEM

The database is a collection of some data and number of figures that can be treated to make information. Data represents contain facts. By using the Database Management System we can easily arrange the data in any simple manner. Database Management System will help to store the data where we can easily recover, operate and create information.

EVOLUTION OF DATABASE

Since, there are several advancement in the electronic industry, it paved the path for computer scientists to develop various techniques to store a large amount of data in an efficient, and sophisticated manner. IMB introduced the concept of the database in 1960 which gives the brief description of developing of DBMS and database.

Database

Advanced data access.

2. Advanced security and safety.

3. Better data connection.

4. Minimized data instability.

5. Advanced decision making.

 Disadvantages

1. Increment of cost.

2. Management difficulty (difficult to understand).

3. Maintain currency properly.

ADVANTAGES AND DISADVANTAGES OF THE DATABASE MANAGEMENT FILE BASED SYSTEMS APPROACH

 Advantages

1. No redundancy.

2. Reliable.

3. Advanced privacy.

4. Simple and easy to access.

5. Capable.

 Disadvantages

1. Difficult to update particular information.

2. Difficult to understand.

3. Data irregularity.

4. Difficult to share data.

5. No proper safety.

DATA ADMINISTRATOR (DA)

Additionally, the role of management or process of dealing and controlling of data, planning and develop the procedures and standards of database design, and the data integration tasks that can be performed by members of data administrator.

The job roles of Data Administrator

1. A user who designated as data administrator job, even if they belong to a business function is limited to the configuration and unlimited access to all data of the company of its

Should be reviewed carefully by the Administrator role because, for security reasons, the data members of the creation of databases those users can navigate. We do not have the necessary data to recommend to members of the Administrator role does not have permissions full database.

4. The role of data administrator cannot design or eradicate applications or model sites or lead job membership and composition.

5. Data analyzing.

DATABASE ADMINISTRATOR (DBA)

Database administrator responsibilities are controlling data quality and the performance and promising those executive applications to the goals.

The job roles of Database Administrator

1. Instructing to members to load approximate data.

2. Accommodating in database design.

3. Observing the data quality.

4. Fixing and judging the new database systems.

5. Estimate the future process.

6. Protecting data security and privacy.

DATABASE DESIGNER

This is a major role. Database designer responsible for architect and create an exactly completed data type of a database, with all required physical and logical designing segments.

The job roles of Database designer

1. Make alteration required.

2. Detach information into tables.

3. Architectures databases.

4. Control and decide basis of the database.

5. Clarify and improve the quality of the designs.

6. Expand the structure of architect of several systems,