simple defination of html and relational data base management systrem for students studing in class 7

1. TO MS ACCESS
2010
INTRODUCTION

2. ADVANTAGE OF RDBMS
• EASY SHARING OF DATA.
• REDUCTION OF DATA INCONSISTENCY AND
ERROR.
• REDUCTION OF DATA REDUNDANCY.
• EASY RETRIEVAL OF DATA.
• EASY MANIPULATION OF DATA.
• IMPROVED DATA SECURITY.

3. ABOUT RDBMS
• A RELATIONAL DATABASE MANAGEMENT SYSTEM IS
A COLLECTION OF DATA ITEMS ORGANIZED IN THE
FORM OF TABLES. THE CONCEPT OF RDBMS WAS
GIVEN BY E.F. CODD AT IBM IN 1970.
• FOR EXAMPLE. : A TYPICAL TELEPHONE DIRECTORY
WOULD CONTAIN NAMES, ADDRESSES AND PHONE
NUMBERS OF MANY PEOPLE. THERE ARE SOME
RDBMS SOFTWARE AVAILABLE IN THE MARKET
SUCH AS ORACLE, MS ACCESS,FOX PRO ETC.

4. MICROSOFT ACCESS
• MS ACCESS IS A PART OF MICROSOFT
OFFICE. IT IS USED TO STORE AND
MANIPULATION LARGE AMOUNT OF
INFORMATION.
• MS ACCESS ARRANGES DATA IN FORM OF
TABLES. EVERY SET OF INFORMATION IN
ATABLE IS CALLED VALUE. A VALUE IS
POSITIONED AT THE INTERSECTION OF A
COLUMN AND A ROW.

5. STEPS TO CREATE A DATA BASE USING A
TEMPLATE.
• STEP 1 : CLICK ON THE SAMPLE TEMPLATS FROM
TEMPLATE CATEGORIES LOCATED ON THE LEFT PANE .
• STEP 2 : SELECT THE REQURIED DATABASE FROM THE
MIDDLE PANE.
• STEP 3 : ASSIGN A NAME OF THE DATABASE FROM THE
MIDDLE PANE .
• STEP 4 : CLICK ON CREAT BUTTON .
• MS ACCESS WILL CREATED AND OPEN A DATABASE ALONG
WITH A FORM,OPENED BY DEFAULT TO ENTER DATA.

7. ABOUT HTML
• HTML IS A PROGRAMMING LANGUAGE USED FOR
DESCRIBING WEB PAGES. HTML STANDS FOR
HYPER TEXT MARKUP LANGUAGE. HTML IS USED
FOR CREATING WEB PAGES. WEB PAGES ARE TEXT
DOCUMENTS. THEY HAVE HTML COMMANDS
WITH AN EXTENSION .HTMOR .HTML.IT IS A SET
OF SPECIAL CODES WRITTEN TO CONTROL THE
LAYOUT AND APPEARANCE OF THE TEXT.

8. FEATURES OF HTML
• HTML IS A MARKUP LANGUAGE AND NOT A
CONVENTIONAL PROGRAMMING LANGUAGE. IT
DEFINES A SET OF COMMON STYLES FOR WEB
PAGES.

9. SPECIAL SYMBOLS
• HTML SUPPORTS ASCII STANDS FOR AMERICAN
STANDERED CODE FOR INFORMATION
INTERCHANGE. SOME OTHER SIGNS ARE ALSO
SUPPORTED. THE FOLLOWING FOUR SYMBOLS
ARE USAUALLY RESERVED IN HTML.
• GREATER THAN (>)
• LESS THAN(<)
• STRAIGHT INVERTED COMMAS (“”)
• AMPERSAND (&).

10. BY RITANSHU PATIDAR
THE END