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Creating a Trouble Call Tracking System. John Alger algerja@jmu.edu James Madison University. Topics. Development Deployment Maintenance. Terminology. RDBM Relational Database Model Table information about a single thing Record a single row in a table
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Creating a Trouble Call Tracking System John Alger algerja@jmu.edu James Madison University
Topics • Development • Deployment • Maintenance
Terminology • RDBMRelational Database Model • Table information about a single thing • Record a single row in a table • Field a single column in a table • SQL Simple Query Language • QBE Query By Example • VBA Visual Basic for Applications
Development Steps • System Mission Statement • Business Model / Environment • Graphical User Interface (I/O) • Tables, Relationships, Queries, VBA • Prototype • Refinement
Our Mission Statement Our system needs to effectively and efficiently track our client trouble calls, history and billing.
One call per client Trouble call FIFO que Support Standards DHCP access Pay up front Machine registration Web/Phone front end Contact Staff and Clients via Web or Email Client work history and payment history Staff demerit system Work order process Our Business Model(We are an auxiliary)
Environment Ethernet Billing DialUP System Client Call History Staff
Interface Design • Communication • Input screens (FORMS) • Output (REPORTS) • Controls (The OK button) • Properties (The color of OK) • Events (OK was clicked) • Methods (External code) • Macros/Wizards (No Code)
Table Creation • Singular Entity • Primary key • Index • Relationships • QBE interface
Internet Access • Web forms - CGI • Post Only • Interactive • Perl Generated • SMTP - Email from the app • SNMP - Managing the hub ports • TCPIP sockets
Deployment • Splitting the Database • Production • Development • Server environment
Maintenance • Backup solution • Contingency processing • Business rules change • Continuous Improvement
Questions ? ? John Alger algerja@jmu.edu James Madison University