Final answer:
A Data Mart is a subset of a Data Warehouse that focuses on a specific subject area. A Data Repository is a centralized location for storing and managing data. A Data Dictionary is a structured collection of metadata that describes data objects or entities.
Step-by-step explanation:
Data Mart:
A data mart is a subset of a data warehouse that is focused on a specific subject area, such as sales, finance, or marketing. It contains a smaller amount of data than a data warehouse and is designed to serve the needs of a particular department or team.
Data Repository:
A data repository is a centralized location that stores and manages data. It can be a database or a file system that allows for easy storage, organization, and retrieval of data.
Data Dictionary:
A data dictionary is a structured collection of metadata that provides a detailed description of the data objects or entities within a database or data warehouse. It includes information such as the name, type, size, and relationships of the data elements.
Data Warehouse:
A data warehouse is a large, integrated repository of data that is used for reporting and data analysis. It combines data from different sources into a single, consistent format, making it easier to analyze and make informed decisions.
Patient Port:
A patient portal is a secure online website that gives patients convenient 24-hour access to their personal health information. It allows patients to view their medical records, schedule appointments, communicate with healthcare providers, and manage their healthcare online.