A simple presentation of database(MS Access).

1. DATABASE
MS ACCESS

2. Present by :
• Gayanthi Charuni(Group Leader) 100
• Milan Methnuwan 094
• M.N Ahamadhu 274
• N.G.C. Jayaranga 192
• T.K.A.R. Akash 189
• Menith Sisara Somarathna 064
• H.D. Chamika Roshan 187
• A.W. Udari Thakshila 170
• Viraj Lasantha 157

3. CONTENTS
• WHAT IS THE DATABASE?
• WHAT ARE THE DATA TYPES OF MS
ACCESS?
• WHAT IS THE TABLE?
• HOW TO CREATE TABLES USING MS
ACCESS?
• WHAT IS PRIMARY KEY AND FOREIGN?
• HOW TO MAKE RELATIONSHIPS AMONG
THE TABLE?
• HOW TO WRITE QUERIES TO DISPLAY DATA
IN THE TABLE?

4. WHAT IS THE DATABASE?
A DATABASE IS AN ELECTRONIC SYSTEM THAT
ALLOWS DATA TO BE EASILY ACCESSED,
MANIPULATED AND UPDATE.

5. WHAT ARE THE DATA TYPES OF MS
ACCESS?
SHORT TEXT
CALCULATED
DATA
LOOK UP
WIZARD
LONG TEXT ATTACHMENTS
NUMERIC
DATA
HYPERLINES
OLE OBJECTS

6. WHAT IS THE TABLE?
• MS ACCESS TABLES ARE THE KEY OBJECT IN THE ACCESS
FILE, AS THEY CONTAIN THE DATA THAT IS STORED IN
THE DATABASE.

7. HOW TO CREATE TABLES USING MS
ACCESS?
Creating a table in design view
• On the Create tab, click on Table Design

8. Creating new fields
• In the first row of the Field Name column, type the name
of your first field, following the naming conversation
listed above.

9. WHAT IS PRIMARY KEY AND FOREIGN KEY?
• A PRIMARY KEY IS A SPECIAL RELATIONAL DATABASE
TABLE COLUMN (OR COMBINATION OF COLUMNS)
DESIGNATED TO UNIQUELY IDENTIFY ALL TABLE
RECORDS.
• A FOREIGN KEY IS A COLUMN OR GROUP OF COLUMNS
IN A RELATIONAL DATABASE TABLE THAT PROVIDES A

10. HOW TO MAKE RELATIONSHIPS AMONG THE
TABLE
1. One to One

11. 2. One to
Many

12. 3. Many to Many

13. HOW TO WRITE QUERIES TO DISPLAY DATA IN THE
TABLE?
 Click the Create > Query Design button on the
Ribbon.
• Queries are use to search a database and extract
information. A query enables you to find and view data
stored in one or more tables.
 Types of queries
 Select query
 Update query

14. Choose the tables to include in the
query.

15.  Choose the fields to include and adjust the
criteria.

16.  Click the Run
Button

17.  Saving the
query

18. Summar
y Definition of database – collection of organized
data.
 A collection of fields related to one person or
object is called a record.
 A collection of records is called a data table
 A collection of related tables is called a relational
database
 Primary key is a column which enables to identify
a record uniquely.

19.  Foreign key is field or combination of field of one table
can be used to uniquely identify rows of another table
these field are called foreign key.
 Data types – Number, Text, Memo, Date/Time,
Currency, Yes/No, OLE object, Auto
number and Hyperlink.
 Main three types of relationships among tables.
One to One
One to Many
Many to Many