Data Migration - Process of selecting, preparing, extracting, and transforming data from one storage system to other.
Database migration is usually performed programmatically in automated manner.
Data Quality - The ailment of a set of values of qualitative or quantitative variables. Data quality is a perception or an assessment of data's fitness to serve its purpose in a given context.
Data Warehousing - Data warehousing is a technique of collecting and managing data from varied sources to provide meaningful business insights. It is a combination of technologies and components which allows the strategic use of data.
Data Processing - Series of operations that use information to produce a result. Common data processing operations include validation, sorting, classification, calculation, interpretation, organization and transformation of data.
Data Modelling - Discrete structured data representation of a real-world set of entities related to one another. Each entity (most often represented using a table) carries a set of characteristic attributes.