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SESSION 2013 - 14

NAME :- Paridhi Bumb

CLASS :- VIII B

ROLL NO . 19SUBJECT :- SCIENCE COMPUTER

TOPIC :- MS ACCESSGUIDED BY :-

VANDANA MAAM

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Microsoft Access, also known as Microsoft Office Access, is

a database management systemfrom Microsoft that combines the

relational Microsoft Jet Database Engine with a graphical user

interface and software-development tools. It is a member of

the Microsoft Office suite of applications, included in the Professionaland higher editions or sold separately

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A database is a tool for collecting and organizinginformation. Databases can store information aboutpeople, products, orders, or anything else. Manydatabases start as a list in a word-processing programor spreadsheet. As the list grows bigger, redundanciesand inconsistencies begin to appear in the data. Thedata becomes hard to understand in list form, andthere are limited ways of searching or pulling subsets

of data out for review. Once these problems start toappear, it's a good idea to transfer the data to adatabase created by a database management system(DBMS), such as Access 2013.

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Add new data to a database, such as a new item in aninventoryEdit existing data in the database, such as changing the

current location of an itemDelete information, perhaps if an item is sold or discardedOrganize and view the data in different waysShare the data with others via reports, e-mail messages, anintranet , or the Internet

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TablesFormsReportsQueriesMacros

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A database table is similar inappearance to a spreadsheet, in thatdata is stored in rows and columns.As a result, it is usually quite easy toimport a spreadsheet into a databasetable. The main difference betweenstoring your data in a spreadsheetand storing it in a database is in how

the data is organized.

To get the most flexibility out of adatabase, the data needs to beorganized into tables so thatredundancies don't occur. Forexample, if you're storing information

about employees, each employeeshould only need to be entered oncein a table that is set up just to holdemployee data. Data about productswill be stored in its own table, anddata about branch offices will be

stored in another table. This processis callednormalization.

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Forms allow you to create a user interface in which youcan enter and edit your data. Forms often containcommand buttons and other controls that perform

various tasks. You can create a database without usingforms by simply editing your data in the tabledatasheets. However, most database users prefer to useforms for viewing, entering, and editing data in thetables.You can program command buttons to determine whichdata appears on the form, open other forms or reports,or perform a variety of other tasks. For example, youmight have a form named "Customer Form" in which

you work with customer data. The customer form mighthave a button which opens an order form where youcan enter a new order for that customer.

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Reports are what you use to format, summarize andpresent data. A report usually answers a specificquestion, such as "How much money did we receive

from each customer this year?" or "What cities areour customers located in?" Each report can beformatted to present the information in the mostreadable way possible.

A report can be run at any time, and will always

reflect the current data in the database. Reports aregenerally formatted to be printed out, but they canalso be viewed on the screen, exported to another

program, or sent as an attachment to an e-mailmessage..

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Queries can perform many different functions in a database. Theirmost common function is to retrieve specific data from the tables.The data you want to see is usually spread across several tables,and queries allow you to view it in a single datasheet. Also, sinceyou usually don't want to see all the records at once, queries letyou add criteria to "filter" the data down to just the records you

want.Certain queries are "updateable," meaning you can edit the datain the underlying tables via the query datasheet. If you areworking in an updateable query, remember that your changes areactually being made in the tables, not just in the query datasheet.

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