develop database using ms access 2007

8/3/2019 Develop Database Using Ms Access 2007

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DEVELOP DATABASEUSING MS ACCESS 2007

Diploma in Industrial TechnologyManagement


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Describe the concept of database and its functions in

organization

Describe the difference and benefits of using database

approach compare to traditional file environment Apply data analysis methods, entity relationship diagram

(ERD) and normalization process

Develop database using MsAccess


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Database is agroup of related

files


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Data consists of facts,text, graphics and

figure that can berecorded and that

have implicit


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Information is thedata that have been

processed and beingmade to be useful for

users or decision-


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Systems tended togrow independently

without a company-wide plan

[segmentized filing


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Each dept has theirown application with itsown application

managed their own fileswith their own

computer


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Some problems with

Traditional FileEnvironment;

Data Redundancyand Inconsistency


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Data Redundancy

Data duplication in multipledata files so that the same

data are stored in more

than one place or locationWaste storage resources


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Data Inconsistency

Confusing due to differentcoding systems to

represent values for an

attribute


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For business use

For personal use To keep track of things


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Database Management

Systems Collection of program that

enable user to create and

maintain a database and

provide control access to

the database


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Software that permits an

organization to centralize

data, manage them efficiently

by centralizing the data and

controlling redundant dataEg. Ms Access, ORACLE,

FoxPro etc


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Text

Numeric Boolean

Currency Date and Time


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It is database program thatenables end-users to

organize and manipulatedata, perform queries anddevelop reports

There are seven databaseobjects; Table, Form,Queries, Report, Pages,

Macro and Modules


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Tables

Stores information aboutspecific topic

Consists of fields and records

More than one tables in asingle database


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Forms

Displays information fromdatabase in attractive way

Prepares a fast and efficient

way to view, enter or edit datain the database


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Queries

Allow end-users to searchinformation from the database

according to the requirements

specified in advance


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Reports

Document that summarizedata in the database

Calculation function can be

included into the reportparticularly for analyzing data


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Start button > Ms Access >

Choose Blank Database >Determine database location

(click folder on left side) >

enter File Name > clickCreate button


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Field Name identifies theinformation within a field

Data Type determine the type ofinformation users can enter

Field Properties characteristicsthat provides additional controlover the information users canenter in a field


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Click Create Text > Click Table icon

> Table 1 displays (on right side) >

click views > choose Design view >Save Table (give name) > click ok

Enter Field name

Choose Data type


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Establish Relationship

Ensure Primary and Foreign Key

already established

Click database tools > click

Relationship icon > (show tabledisplays) > choose table(s) > click

Add > (Table(s) appear in

relationship)


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Establish Relationship (continued)

Drag Primary Key to Foreign Key >

(noted relationship type appears at

bottom) > Click Enforce Referential

Integrity > click Cascade update

related fields > click Cascade delete

related records


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Relational Keys

One or more attributes that can be identified arow (record)

Attribute(s) that can relates one entity with

another entity in a relationship

Relational key enable us to link the tablestogether in a database for easier data access

storage


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Candidate Key an attribute or group ofattributes that identify a unique row in a

relation. One of the candidate keys ischosen to be the primary key

Primary Key Any of the candidates thatare selected to be the key or an attributethat uniquely identifies each row in arelational table


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Foreign Key An attribute in one tablewhose values must match the primary

key in another table or whose valuemust not be null. Attribute that acts asprimary key in a related table

Composite Key A primary key thatconsists of more that one attribute,especially inmany to many (M:N)

relationship


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Characters to create an input mask : 0 Number 0 to 9, required

9

Number or space, optional # Number or space, optional L Letters A to Z, required ? Letters A to Z, optional a

Letter or number, optional

& Character or space, required


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Characters to create an input mask :

c Character or space, optional

-/ decimal point and thousands, date and time

separator < Convert the character to lowercase

> - Convert the character to uppercase

! Display character from right to left

\

Display the following input mask character: \& willdisplay &

Password Display an asterisk for each characteryou type


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Create Form using form wizards

Click Create Tab > click more form

choose form wizards > selecttables/queries > select all fields >click next > choose justified > click

next > choose style > click next >

insert form name > click finish


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Create Report using form wizards

Click Create Tab > click more form

choose form wizards > selecttables/queries > select all fields >click next > choose layout justified

> orientation portrait > choose

style > insert form name > clickfinish


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Click create tab > choose Query

Design > select table > Drag

selected fields into column > clickrun button > query result

displayed

develop database using ms access 2007

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