Data management
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Database Management
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Transcript of Data management
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 1byte 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
Emp001 Pichai Robinson, CM 083-2981904
Emp002 Somsri Big C, Hangdong 089-8881450
: Employees
: Salesman
Database management System: DBMS
Database
-Customers
- Product
-Inventory
- Sales
- Employees
-Agent
DBMS
Personnel department
Sales department
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. 2. 3. 4.5.
6.
1.
2.
3.4.5.
