SA Chapter 12

Phase 3 : Systems Design – Finalizing Design Specifications บทที่ 12

เนื้อหาที่จะเรียนในครั้งนี้ : ,[object Object],[object Object],[object Object],[object Object]

ฟังก์ชั่น ลำดับงานและการประมวลผล ระบบรับการสั่งซื้อ (0) จัดทำใบแจ้งหนี้ (2.0) รับชำระเงิน (3.0) บันทึกข้อมูลการสั่งซื้อ (1.0) ... (1.1) ... (1.2) ... (1.3) ... (2.1) ... (2.2) ... (3.1) ... (3.2) ... (3.3) ... (3.4)

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Program Specification (1)

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Program Specification (2)

[object Object],[object Object],[object Object],[object Object],Tables : Input : Faculty Output : Student … P –STD1 Student Faculty

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ตาราง student Attributes Type Length Description Value std_ID Number 10 รหัสนักศึกษา fac_ID Number 2 รหัสคณะ 01 -05 …… .. …………. ตาราง faculty Attributes Type Length Description Value fac_ID Number 2 รหัสคณะ 01 -05 Fac_des Text 40 ชื่อคณะ

Supporting diagrams and modules ,[object Object],[object Object],[object Object],[object Object]

Supporting diagrams and modules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Supporting diagrams and modules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Run flow from each program Specification can form System Flow-Chart System Flowchart Example : System Flowchart for a Payroll System

The Process of Finalizing Design Specifications ,[object Object],[object Object],[object Object]

The Process of Finalizing Design Specifications (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Design specification document contains :

The Process of Finalizing Design Specifications (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]

SA Chapter 12

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SA Chapter 12