VII CLASS CHAPTER---->3 3. WORKING WITH MS-ACCESS

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Presentation transcript:

VII CLASS CHAPTER---->3 3. WORKING WITH MS-ACCESS

WHAT IS DATABASE? THE DATABASE IS A COLLECTION OF DATA WHAT IS DBMS ? DBMS----> DATABASE MANAGEMENT SYSTEM. THE DBMS IS A COLLECTION OF SIMILAR DATA. THE DBMS IS MAINLY USED TO STORE & RETRIVE DATA FROM DATABASE.

DBMS APPLICATIONS: DB IN BANK : ALL TRANSACTIONS ACCOUNTS. DB IN SCHOOL & COLLEGES : STUDENT DETAILS. DB IN LIBRARY : INFORMATION ABOUT BOOKS. DB IN HUMAN RESOURCE : EMPLOYEE DETAILS, THEIR SALARIES.

FUNCTIONS OF DBMS : CONCURENCY : THE DBMS ALLOWS MULTIPLE USERS TO ACCESSS DATABASE. SECURITY : DBMS INCREASES SECURITY & RELIABILITY. BACKUP & RECOVER : DBMS IS USED TO BACKUP THE DATA & RECOVERS IF A PROBLEM OCCURS.

POPULAR DBMS : ORACLE MS-ACCESS MS-SQL SERVER CLIPPER FOXPRO

WE CAN ORGANIZE THE DATA WE CAN ENTER,MODIFY THE DATA WHAT IS MS-ACCESS ? MS-ACCESS IS A RDBMS WHICH STORES INFO IN MULTIPLE TABLES MS-ACCESS TASKS : WE CAN ORGANIZE THE DATA WE CAN ENTER,MODIFY THE DATA WE CAN CREATE FORMS & REPORTS WE CAN ADD CLIPART, GRAPHS.

DATA TYPES IN MS-ACCESS DB THE DATA TYPE TELLS US WHICH TYPE OF DATA YOU ARE ENTERING SIZE DATA TYPE USED FOR TEXT COMBINATION OF TEXT AND NUMBERS. MEMO LENGTHY TEXT AND NUMBERS. NUMBER NUMBERS WITH DECIMAL VALUES. 225 CHARACTERS 64,000 CHARACTERS 16 BYTES

DATA TYPE USED FOR SIZE D/TIME CURREN AUTO NUMBER 8 BYTES 8 BYTES COMBINATION OF DATE AND TIME. CURREN USED TO ROUNDOFF THE VALUES. AUTO NUMBER INCREMENTS VALUE BY ONE. 8 BYTES 8 BYTES 4 BYTES

DATA TYPE USED FOR SIZE YES/NO OLE OBJ HYPERL 1 BIT 1 GB EITHER YES/NO. OLE OBJ WORD,EXCEL,PPT FILES CAN BE LINKED TO MS-ACEESS. HYPERL WE CAN STORE ANY URL. 1 BIT 1 GB UPTO 64,000 CHARAC

MS-ACCESS COMPONENTS THE MS-ACCESS COMPONENTS ARE : TABLES QUERIES FORMS REPORTS

TABLES ARE USED TO STORE DATA IN A FORM OF ROWS & COLUMNS. 2) QUERIES : IN MS-ACCESS THE QUERY IS USED TO EXTRACT DATA FROM THE DATABASE. 3) FORMS : FORM IS LIKE A PRINTED DOCUMENT WHICH IS USED TO ENTER DATA. 4) REPORTS : THE REPORTS ARE USED TO DISPLAY THE DATA.

HOW TO SAVE, OPEN EXISTING FIILE NOW, WE WILL SEE HOW TO OPEN MS-ACCESS CREATE NEW DATABASE HOW TO SAVE, OPEN EXISTING FIILE

CREATE , VIEW TABLE & ENTERING DATA NOW, WE WILL SEE HOW TO CREATE , VIEW TABLE & ENTERING DATA ADDING NEW RECORD INSERTING NEW FIELD COPY & PASTE THE DATA HOW TO DELETE DATA

THANK U ALL UR’S VALI.. SIR