Water Billing System

Topics: Library catalog, Library, Library classification Pages: 16 (2786 words) Published: August 2, 2011
The Holy Cross Academy of Digos Library Cataloguing System

SYSTEMS ANALYSIS AND DESIGN

Mark Cromes C. Perez Proponent

Table of Contents

Systems Planning.......................................................................................................... 3 1.1 Conceptualization.............................................................................................. 4 1.2 Scope and Limitations ..................................................................................... 5 1.3 Identified Constraints ...................................................................................... 6 1.4 Feasibility Study ................................................................................................ 7 1.4.1 Operational: ................................................................................................. 7 1.4.2 Technical: ..................................................................................................... 7 1.4.3 Schedule: ...................................................................................................... 8 1.4.4 Economic:..................................................................................................... 8 1.5 Duration ............................................................................................................... 9 1.6 Technology ........................................................................................................... 9 1.6.1 Minimum Requirement ............................................................................ 9 1.6.2 Recommended Requirement ................................................................ 10 System Analysis........................................................................................................... 11 2.1 Understanding the Organization ................................................................ 12 2.2 The Current System........................................................................................ 12 2.3 System Models.................................................................................................. 13 2.3.1 Use Case Diagram ................................................................................... 14 2.3.2 Use Case Descriptions ........................................................................... 15 2.3.3 Sequence Diagrams................................................................................. 17 2.4 Requirements Summary ............................................................................... 21 2.4.1 Inputs .......................................................................................................... 21 2.4.2 Processes .................................................................................................... 21 2.4.3 Outputs ....................................................................................................... 22 2.4.4 Performance............................................................................................... 22 2.4.5 Controls....................................................................................................... 22 2.4.6 Back – up and recovery ......................................................................... 23 Design Phase ................................................................................................................ 24 3.1 ORD...................................................................................................................... 25 3.2 ERD ...................................................................................................................... 25 3.3 Normalized Tables ........................................................................................... 28 3.4 Table Definitions .............................................................................................. 29 3.5...
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