Define a repository, and explain its role in the systems development process.
What will be an ideal response?
A repository is a database that serves as a central storage location for all information about the system being developed. Once a data element has been defined in the repository, it can be accessed and used by processes and other information systems. For example, a sales processing, accounts receivable, and shipping system all might require data about customers. After a CUSTOMER data element is entered in the repository, all three systems can share a consistent, up-to-date definition. When you define a data element in the repository, you can assign a data type and format, a range of acceptable values, and one or more aliases, or alternative names for data elements.
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