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Database Management
   Database
Database and Day-to-Day Life
Database and Day-to-Day Life
Database and Day-to-Day Life
Database and Day-to-Day Life
Concept
 Bit
               binary digit                0   1
 Byte
                           bit       bit           1
      byte            bit         8 bit     1
 Field
                                    1

 Record
            Field
 File
            Record
Field




Record           File
Data Type
 Text
  
 Formatted data
   LSIT3502
 Images
   Suttida.jpg
 Audio/ sound
   Suttida.mp4
 Master File
  
  
 Transaction File
  

    Sequential file organization
                                  Key field)
                                                     indexed
     or Direct file organizations
     
                                               Direct access

         Index)
                       Indexed Sequential Access Method (ISAM)



1.

    

    

         
             
             
             



Emp001           Pichai   ……Bangkok    12/03/2510     30000      Sales         083-2981904

Emp002           Somsri   …Chiangmai   20/02/2520     18500      Accounting    089-8881450

                                                         : Employees


                 Emp001       Pichai          Robinson, CM       083-2981904

                 Emp002       Somsri          Big C, Hangdong    089-8881450


                                                          : Salesman
                  Database management
    System: DBMS



    


    


    
Database


                                -Customers
Personnel department              - Product
                                 -Inventory
                        DBMS        - Sales
                               - Employees
  Sales department
                                    -Agent


Accounting department
DBMS

Emp001   Pichai   ……Bangkok    12/03/2510   Robinson, CM      30000   Sales        083-2981904

Emp002   Somsri   …Chiangmai   20/02/2520   Big C, Hangdong   18500   Accounting   089-8881450




    1.                                          1.
    2.
    3.
    4.                                          2.
    5.
                                                3.
    6.                                          4.
                                                5.
Assignment1




   nwongyai@gmail.com
    DBAssignment1_5XXXXXXX



           PDF

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Data management

  • 2. Database
  • 8.  Bit  binary digit 0 1  Byte  bit bit 1 byte bit 8 bit 1  Field  1  Record  Field  File  Record
  • 10. Data Type  Text   Formatted data  LSIT3502  Images  Suttida.jpg  Audio/ sound  Suttida.mp4
  • 11.  Master File    Transaction File 
  • 12. Sequential file organization  Key field)
  • 13. indexed or Direct file organizations  Direct access Index) Indexed Sequential Access Method (ISAM) 1.
  • 14.   
  • 15.     Emp001 Pichai ……Bangkok 12/03/2510 30000 Sales 083-2981904 Emp002 Somsri …Chiangmai 20/02/2520 18500 Accounting 089-8881450 : Employees Emp001 Pichai Robinson, CM 083-2981904 Emp002 Somsri Big C, Hangdong 089-8881450 : Salesman
  • 16. Database management System: DBMS   
  • 17. Database -Customers Personnel department - Product -Inventory DBMS - Sales - Employees Sales department -Agent Accounting department
  • 18. DBMS Emp001 Pichai ……Bangkok 12/03/2510 Robinson, CM 30000 Sales 083-2981904 Emp002 Somsri …Chiangmai 20/02/2520 Big C, Hangdong 18500 Accounting 089-8881450 1. 1. 2. 3. 4. 2. 5. 3. 6. 4. 5.
  • 19. Assignment1 nwongyai@gmail.com DBAssignment1_5XXXXXXX PDF