COMM 205 Lecture Notes - Lecture 5: Audit Trail, Time 100, Data Security
Document Summary
Business event that generates data worth being captured and stored in database. Supports [ ] of data generated by each of org. Provide a highly secure and stable environment. Audit trail or log of transactions flow must be available. Can be caused by overlapping or concurrent updates. Who changed or deleted a transaction and when. Amount of time it takes for an is to respond to a request or input from user. Measured by # of transaction/period of time. % of time that given system is active and working. Aims to prevent unintentional changes to info. Protect them from data-entry errors as much as possible. Should allow to easily correct their errors. Should be open to growth at incremental costs. Hardware and software components without shutting down system. Information silo is isolated data stored in separated is. Slows down effective planning and proactive decision- making. Global expansion complicated due to software integration issues.
