PSU Information Mgmt Model

1. I NFORMATION
M ANAGEMENT
Focus on Database Management

2. I NFORMATION M ANAGEMENT
 Information – is a processed data; that is, it is organized, meaningful and
useful.
 Information can be in the form of audio, images and video
example: we can post photos in the webpage
 Management – means organization of and control over structure,
processing and delivery of information.
 Information Management – is the collection and management of
information from one or more sources and the distribution of that
information to one or more audiences.
 Information Management entails organizing, retrieving, acquiring and
maintaining information. It is closely related to and overlapping with
the practice of data management.

3. I NFORMATION M ANAGEMENT
FOCUS ON D ATABASE
M ANAGEMENT
 Data – is a collection of unprocessed items,
which can include text, numbers, images,
audio and video
 example: typing text in a keyboard
 Database –is a collection of data organized in
a manner that allows access, retrieval and use Source: bpmsocialite.wordpress.com
of that data.
 Computers process data in a database into
information.
 Example: a database of an school where it
contains data about its students and classes

4. D ATABASE MANAGEMENT
 Database Management System – users create a
computerized database; add, modify and
delete data in the database; sort and retrieve
data from the data base and create forms and
reports from the data in the database.
 Data Integrity identifies the quality of data ex.
Erroneous student address
 Data Integrity is important because computers
and people use information to make decisions
and take actions.
Source: propertycasualty360.com

5. S AMPLE OF A D ATABASE
M ANAGEMENT
Source:
Discovering
Computers 2011

6. S AMPLE OF A D ATABASE
M ANAGEMENT
Source:
Discovering
Computers 2011

7. D ATA I NTEGRITY
 Garbage in Garbage Out is a
computing phrase that points
out the accuracy of a computer’s
output depends on the accuracy
of the input.
 If you enter incorrect data into a
computer (garbage in), the
computer will produce incorrect
information (garbage out).
Soure: delvinia.com

8. Q UALITIES OF VALUABLE
INFORMATION
 Accurate Information is error free.
 Verifiable Information can be proven as correct or
incorrect information.
 Timely Information has an age suited to its use.
 Organize information is arranged to suit needs and
requirements of the decision maker.
 Accessible information when the decision maker needs
it.
 Useful Information has meaning to the person who
receives it.
Source:don-jai.com  Cost-effective information should give more value than
it costs to produce.

9. H IERARCHY OF DATA
 Data is organized in layers. In the computer
profession, data is classified in a hierarchy. Each
higher level of data consists of one or more items
from the lower level.
 Database contains files (sometimes tables), a file
contains records, a record contains fields and a
field is made up of one or more characters.

10. H IERARCHY OF DATA
Source:
Discovering
Computers 2011

11. M AINTAINING DATA
 File maintenance refers to the procedures that
keep data current.
 Adding Records
 Modifying Records
 Deleting Records
 Validating Data

12. F ILE PROCESSING VERSUS
DATABASES
 Almost all application programs use the file
Source: expertilog.com
processing approach, the database approach or a
combination of both approaches to store and
manage data.
 File processing system if each department or
area within an organization has its own set of
files. The records in one file may not relate to the
records in any other file.
 Database Approach many programs and users
share the data in the database.

13. F ILE PROCESSING VERSUS
DATABASES
Source:
Discovering
Computers 2011

14. D ATABASE APPROACH
Source:
Discovering
Computers 2011

15. D ATABASE MANAGEMENT
SYSTEM
 It is a software that allows us to create, access and
manage a database. DBMSs are available for many
sizes and types of computers.
 What constitute the DBMS?
 A data dictionary sometimes called a repository
contains data about each file in the database and
each field in those files.
 File Retrieval and Maintenance
 A DBMS provides several tools that allow users and
Source: newjerseymls.com programs to retrieve and maintain data in the
database.

16. D ATABASE MANAGEMENT
SYSTEM
 Data Security – A DBMS provides means to
ensure that only authorized users access data at
permitted times.
 Back Up Recovery – Occasionally a database is
damaged or destroyed because of hardware
failure, a problem with the software, human
error or a catastrophe such as fire or flood.
Source: kivala-hr.com  A DBMSs provides a variety of techniques to
restore the database to a usable form in case it is
damaged or destroyed i.e back up

17. D ATABASE MANAGEMENT
SYSTEM
 Managing a company’s database requires a great
deal of coordination. The role of coordinating the
use of the database belongs to the database
analyst and administrators.
 Information Technology (IT) professionals follow
database design guidelines and need cooperation
from all database users.
Source: chulacrc.org

18. I NFORMATION M ANAGEMENT IN
PANGASINAN S TATE U NIVERSITY
(S TUDENT I NFORMATION )
 PSU Lingayen Campus is on the line of computerizing all
its transactions particularly student information .
 Currently, the campus still employ manual process in
filing and maintaining data ( e.g. grades of students
management, personal records of every student etc.)
which contains volume of records.
 A project has been initialized by students under the
supervision and leadership of the Math, ICT and CS Dept.
to fulfill the computerization of student information.

19. F LOWCHART OF COMPILING
STUDENT RECORDS

20. F LOWCHART FOR UPDATING
S TUDENT R ECORDS

21. F LOWCHART FOR S TUDENT ’ S
SUBMISSION OF
REQUIREMENTS

22. P ROBLEMS E NCOUNTERED IN M ANUAL F ILING &
M AINTAINING OF S TUDENT INFORMATION
 Slow Generation of Transcript of Records
 Unsecured Files
 Difficulty in Searching and Updating

23. C ONTEXT D ATA F LOW
D IAGRAM OF S TUDENT
I NFORMATION S YSTEM

24. P ROPOSED D ATA F LOW OF
S TUDENT I NFORMATION
S YSTEM

25. I MPLEMENTATION OF THE COMPUTERIZES
STUDENT INFORMATION SYSTEM
 Faster response to client(students) with regards
to producing Transcript of Records
 The future of the Database that will be used will
have a security which could only limit access to
the application.
 Faster retrieval of file of the students

26. PRESEN T ED B Y:
E NGR . A RNOLD MAR I N A S , MME STUD E NT
PANGAS I N A N STAT E UNIVE R SI TY - U R D A N E TA C AMPU S
( GRADU AT E SCHOOL )