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Types of Maintenance Lientz Swanson

Software Maintenance Issues. Management Return on investment hard to defineProcess Extensive coordination required to handle stream of Maintenance RequestsTechnicalCovering full impact of changes Testing very expensive compared with the utility of each changefocused tests ideal but expensive

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Types of Maintenance Lientz Swanson

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    1. Types of Maintenance Lientz & Swanson Corrective defect identification and removal Adaptive changes resulting from operating system, hardware or DBMS changes Perfective changes resulting from user requests Preventative changes made to the software to make it more maintainable

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