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PLANNING A DATABASE
 POINTSTO BE NOTEDWHILE PLANNING A
DATABASE.
 VIEWING AND REPORTINGTHE DATA.
IDENTIFY THE BPURPOSE OF YOUR
DATABASE
 WHAT SORT OF DATATO BE STORED,
 WHAT OUTPUTSARE EXPECTED FROM IT.
 AND HOWTHE DATA SHALL BE
PROCESSED.
EXAMPLES
 AIM 1:TO MAINTAIN RECORDS OF ALL
INDIVIDUALS CONNECTEDTOTHE
SCHOOLS.
 AIM 2:TO LOCATEAND GENERATE
REPORTS OF ANY INDIVIDUAL INTHE
SCHOOL.
 EG: MARKLIST, PROGRESS REPORT.
SCHOOL DATABASE
Table 1: students
 Input
1) GR. NO:
2) NAME:
3) ROLL NO:
4) CLASS:
5) DOB
6) HOUSE
 Output
1) CLASS LIST
2) NO OF STUDENTS IN
EACH CLASS
3) NO OF STUDENTS
BELONGSTO
CATHOLIC RELIGION.
4) NO OF
STUDENTSBELONGTO
PERTICULAR AREA.
TABLE 2: TEACHERS
 INPUT
1) TEACHER CODE
2) NAME
3) QUALIFICATION
4) DESIGNATION
5) DATE OF JOINING
 OUTPUT
1) TEACHER’S DETAILS
2) PERFORMANCE
REPORT
TABLE 3: OTHERS
 INPUT
1) STAFF CODE
2) NAME
3) QUALIFICATION
4) DESIGNATION
5) DATE OF JOINING
 OUTPUT
1) STAFF DETAILS
2) STAFF REPORT
ALL INPUTS SHALL BE REFERED AS
FIELDS
 Assign meaningful and
short names to the
field.
 Not allowed:
 .
 !
 []
 .
 Non printable
characters.
 Examples:
 Tel_no
 Roll_no
DATA TYPES
 Text
 Memo
 Number
 Date/time
 Currency
 Auto number
 Yes/no
 Hyperlink
 OLE object
THE PRIMARY KEY
 Every table has a
primary key.
 Its uniquely identify
each record in table.
 No same value is
allowed in every field.
 It should be a unique
value for each record.
DATA VALIDATION
 There is a
possibility of
error while
entering the data
values.
 Data validation
checks the data
that is entered in
the table to
prevent any data
entry errors.
CREATING TABLE IN DESIGN
VIEW
APPLYING PRIMARY KEY TO
ROLL_NO FIELD
APPLYING VALIDATION
SAVE THE TABLE
 SAVETHE
TABLE.
 CLOSE
THE
DESIGN
VIEW.
ENTER THE VALUES SAVE AND
CLOSE

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Planning a database

  • 2.  POINTSTO BE NOTEDWHILE PLANNING A DATABASE.  VIEWING AND REPORTINGTHE DATA.
  • 3. IDENTIFY THE BPURPOSE OF YOUR DATABASE  WHAT SORT OF DATATO BE STORED,  WHAT OUTPUTSARE EXPECTED FROM IT.  AND HOWTHE DATA SHALL BE PROCESSED.
  • 4. EXAMPLES  AIM 1:TO MAINTAIN RECORDS OF ALL INDIVIDUALS CONNECTEDTOTHE SCHOOLS.  AIM 2:TO LOCATEAND GENERATE REPORTS OF ANY INDIVIDUAL INTHE SCHOOL.  EG: MARKLIST, PROGRESS REPORT.
  • 6. Table 1: students  Input 1) GR. NO: 2) NAME: 3) ROLL NO: 4) CLASS: 5) DOB 6) HOUSE  Output 1) CLASS LIST 2) NO OF STUDENTS IN EACH CLASS 3) NO OF STUDENTS BELONGSTO CATHOLIC RELIGION. 4) NO OF STUDENTSBELONGTO PERTICULAR AREA.
  • 7. TABLE 2: TEACHERS  INPUT 1) TEACHER CODE 2) NAME 3) QUALIFICATION 4) DESIGNATION 5) DATE OF JOINING  OUTPUT 1) TEACHER’S DETAILS 2) PERFORMANCE REPORT
  • 8. TABLE 3: OTHERS  INPUT 1) STAFF CODE 2) NAME 3) QUALIFICATION 4) DESIGNATION 5) DATE OF JOINING  OUTPUT 1) STAFF DETAILS 2) STAFF REPORT
  • 9. ALL INPUTS SHALL BE REFERED AS FIELDS  Assign meaningful and short names to the field.  Not allowed:  .  !  []  .  Non printable characters.  Examples:  Tel_no  Roll_no
  • 10. DATA TYPES  Text  Memo  Number  Date/time  Currency  Auto number  Yes/no  Hyperlink  OLE object
  • 11. THE PRIMARY KEY  Every table has a primary key.  Its uniquely identify each record in table.  No same value is allowed in every field.  It should be a unique value for each record.
  • 12. DATA VALIDATION  There is a possibility of error while entering the data values.  Data validation checks the data that is entered in the table to prevent any data entry errors.
  • 13. CREATING TABLE IN DESIGN VIEW
  • 14. APPLYING PRIMARY KEY TO ROLL_NO FIELD
  • 16.
  • 17. SAVE THE TABLE  SAVETHE TABLE.  CLOSE THE DESIGN VIEW.
  • 18. ENTER THE VALUES SAVE AND CLOSE