
What does Federated mean in data?
A data federation is a software process that allows multiple databases to function as one. This virtual database takes data from a range of sources and converts them all to a common model. This provides a single source of data for front-end applications. A data federation is part of the data virtualization framework.
What is the federated model?
A federated IT model creates an environment where both autonomous departmental IT units and centralized IT collaborate to meet the needs of the whole campus. Central IT and departmental IT units engage to share expertise and find synergies in order to accomplish broad IT objectives for the campus.
What is federated data architecture?
A federated database architecture is described in which a collection of independent database systems are united into a loosely coupled federation in order to share and exchange information. A federation consists of components (of which there may be any number) and a single federal dictionary.
What is federated data source?
A federated data source integrates different data sources and provides uniform data access with a federated query. OLAP data sources are not supported.
What is a federated model and what is a component model?
The AGC ConcensusDocs 301- BIM Addendum, defines a federated model as: '…a model consisting of linked but distinct component models, drawings derived from the models, texts, and other data sources that do not lose their identity or integrity by being so linked, so that a change to one component model in a federated ...
How do you create a federated model?
0:035:39The Federated BIM Model - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe term federated model means a reference model consisting of connected. But distinct individualMoreThe term federated model means a reference model consisting of connected. But distinct individual models creating a highly collaborative workflow.
What is the opposite of a federated model?
Opposite of with various parts or aspects linked or coordinated. independent. separate. unconnected. individual.
What is federated in data warehouse?
A federated data warehouse is a practical approach to achieving the “single version of the truth” across the organization. The federated data warehouse is used to integrate key business measures and dimensions. The foundations of the federated data warehouse are the common business model and common staging area.
What is a federated information system?
A federated system is a special type of distributed database management system (DBMS) that consists of a database instance that operates as a federated server, a database that acts as the federated database, one or more data sources, and clients (users and applications) that access the database and data sources.
What does Federated mean in software?
Federation refers to different computing entities adhering to a certain standard of operations in a collective manner to facilitate communication. It also describes operations between two distinct formally disconnected telecommunication networks with distinct internal structures.
What is the difference between data federation and data virtualization?
Data virtualization is an interface that provides a single point of access to data that hides its distributed and heterogeneous storage details. Data federation is a virtual database that provides a common data model and access point for distributed and heterogeneous data sources.
What is the word Federated mean?
Definition of federated : of, relating to, forming, or joined in a federation a union of federated republics On this Western Hemisphere all tribes and people are forming into one federated whole …—
Why was federated a model?
The federated model is made up of interconnected but distinct components that do not lose their identity or integrity. This means that any change to a single component of the federated model, does not imply a change to other components of the same federated model.
What is a federation simple definition?
Definition of federation 1 : an encompassing political or societal entity formed by uniting smaller or more localized entities: such as. a : a federal government. b : a union of organizations.
What is the word Federated mean?
Definition of federated : of, relating to, forming, or joined in a federation a union of federated republics On this Western Hemisphere all tribes and people are forming into one federated whole …—
What does Federated mean in business?
Federation refers to group of entities that are independent yet united under a central organization.
What Is Data Federation?
Federated data governance in a data mesh describes a situation in which data governance standards are defined centrally, but local domain teams have the autonomy and resources to execute these standards however is most appropriate for their particular environment.
Data Governance Federation Challenges
A federated data mesh model requires a high degree of data maturity in an organisation as it represents a very different and more free-flowing way of allowing domains to interact with each other and with the data itself than with more top-down, centralised approaches.
Final Thoughts
Data governance federation is the secret sauce that makes the data mesh possible, making highly-autonomous, local work possible, but within interoperability guardrails that allow for high degrees of collaboration between all the local teams.
What is the difference between a centralized and aggregated model?
The aggregated model (also known as the centralized model) stores data within its system and allows users access to the information in one centralized repository to manipulate the data, normalize it, combine it, and create new insights.
Is Federated Data faster than Aggregated Data?
Federated data is lighter weight but can have latency issues, aggregated data takes up a lot of room but is typically faster—each one is similar, but also very different. One model’s pros are the other’s cons.
What is federated database?
A federated database, or virtual database, is a composite of all constituent databases in a federated database system. There is no actual data integration in the constituent disparate databases as a result of data federation. Through data abstraction, federated database systems can provide a uniform user interface, ...
Who created the federated database system?
McLeod and Heimbigner were among the first to define a federated database system in the mid 1980s. A FDBS is one which "define [s] the architecture and interconnect [s] databases that minimize central authority yet support partial sharing and coordination among database systems". This description might not accurately reflect ...
Why is data distributed in FDBS?
Distribution of data in an FDBS is due to the existence of a multiple DBS before an FDBS is built. Data can be distributed among multiple databases which could be stored in a single computer or multiple computers. These computers could be geographically located in different places but interconnected by a network.
What is the difference between MDBS and FDBS?
Fundamental to the difference between an MDBS and an FDBS is the concept of autonomy. It is important to understand the aspects of autonomy for component databases and how they can be addressed when a component DBS participates in an FDBS. There are four kinds of autonomies addressed:
How does heterogeneity occur in a database?
Heterogeneities in databases arise due to factors such as differences in structures, semantics of data, the constraints supported or query language. Differences in structure occur when two data models provide different primitives such as object oriented (OO) models that support specialization and inheritance and relational models that do not. Differences due to constraints occur when two models support two different constraints. For example, the set type in CODASYL schema may be partially modeled as a referential integrity constraint in a relationship schema. CODASYL supports insertion and retention that are not captured by referential integrity alone. The query language supported by one DBMS can also contribute to heterogeneity between other component DBMSs. For example, differences in query languages with the same data models or different versions of query languages could contribute to heterogeneity .
What is a MDBS?
A multiple DBS (MDBS) can be classified into two types depending on the autonomy of the component DBS as federated and non federated. A nonfederated database system is an integration of component DBMS that are not autonomous. A federated database system consists of component DBS that are autonomous yet participate in a federation ...
Is a DBMS centralized or distributed?
A DBMS can be classified as either centralized or distributed. A centralized system manages a single database while distributed manages multiple databases. A component DBS in a DBMS may be centralized or distributed. A multiple DBS (MDBS) can be classified into two types depending on the autonomy of the component DBS as federated and non federated.
Federated Model
In a federated model, you have a digital core team that is supported by other departments that aren’t part of the digital team’s core business group. A lot of organizations that have physical sales channels may already be set up with this model with their product teams siloed in different departments.
Centralized Model
Often as companies mature digitally, they move to a centralized model. In this model, the digital team is at the core. External to that, as an example, is IT, customer service, sales, traditional marketing, and pricing.
First and Next Steps
To be successful and outpace the competition, you need a software development partner that excels in exactly the type of digital projects you are now faced with accelerating, and in the most cost effective and optimized way possible.
Case Study
In a recent webinar, Personalizing the B2B Commerce Experience Through Data, we reviewed the commerce journey of Honeywell. Honeywell has focused on creating a centralized model that they refer to as their Center of Excellence.
Partnering for Success
Partners play a key role in helping establish digitally mature companies. Partners can be leveraged when you are building your organization model and identify and fill holes where you need skills. They can also help you to hire for those missing skills in the process. Even more, partners are there to help you support the technology.
What is digital transformation?
Undertaking a digital transformation means more than just moving data and applications to the cloud. Done well, a digital transformation lets your company do more, such as automate key processes, enable machine learning, and execute a strategy to leverage data for innovation.
Is a central body more challenging than a fully centralized or federated model?
A central body without full powers can be more challenging than a fully centralized or federated model and cost more with a longer execution time. But if resources are available and lines of business are so distinct that it doesn’t make sense to organize under a single umbrella, a hybrid model can work.

Overview
Five level schema architecture for FDBSs
The five level schema architecture includes the following:
• Local Schema is basically the conceptual model of a component database expressed in a native data model.
• Component schema is the subset of the local schema that the owner organisation is willing to share with other users of the FDBS and it is translated into a common data model.
Definition
McLeod and Heimbigner were among the first to define a federated database system in the mid 1980s.
A FDBS is one which "define[s] the architecture and interconnect[s] databases that minimize central authority yet support partial sharing and coordination among database systems". This description might not accurately reflect the McLeod/Heimbigner definition of a federated databa…
FDBS architecture
A DBMS can be classified as either centralized or distributed. A centralized system manages a single database while distributed manages multiple databases. A component DBS in a DBMS may be centralized or distributed. A multiple DBS (MDBS) can be classified into two types depending on the autonomy of the component DBS as federated and non federated. A nonfederated database system is an integration of component DBMS that are not autonomous. A federated dat…
See also
• Enterprise Information Integration (EII)
• Data Virtualization
• Master data management (MDM)
• Schema Matching
External links
• DB2 and Federated Databases
• Issues of where to perform the join aka "pushdown" and other performance characteristics
• Worked example federating Oracle, Informix, DB2, and Excel
• Freitas, André, Edward Curry, João Gabriel Oliveira, and Sean O’Riain. 2012. “Querying Heterogeneous Datasets on the Linked Data Web: Challenges, Approaches, and Trends.” IEEE Internet Computing 16 (1): 24–33.