What are the different types of integration units used in the field of data analysis and how do they contribute to the overall data integration process?
In data analysis, there are three main types of integration units: physical integration units, logical integration units, and semantic integration units. Physical integration units focus on the technical aspects of integrating data sources, such as connecting databases or systems. Logical integration units involve mapping and transforming data to ensure consistency and accuracy. Semantic integration units deal with the meaning and context of data, helping to align different data sources based on their semantics. Together, these integration units play a crucial role in combining and harmonizing data from various sources to create a unified and comprehensive dataset for analysis.