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Explain the systems development life cycle.
This is the traditional method to develop, maintain, and replace information systems that contains the project identification and selection, project initiation and planning, analysis, logical design, physical design, execution, and maintenance steps. The process is a series of steps that are ideally completed in a linear fashion. In reality, the process is not linear and the process needs steps to be revisited and an overlap of steps.
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find the name of supplier who supply some red part
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What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
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What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
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