Contents
How do I create a federation in DB2?
How to use DB2 Federation
- 1 – Enabling Federated Database System Support : db2 update dbm cfg using FEDERATED yes.
- 2 – Recycle the instance db2stop/db2start.
- 3 – Connect to db1a db2 connect to db1a.
- 4 – Create a wrapper on db21a db2 create wrapper drda.
What is federated server in DB2?
The database server in a federated system is referred to as the federated server. Like any other application server, the federated server is a database manager instance. Application processes connect and submit requests to the database within the federated server.
What is nickname in DB2?
A nickname is an identifier that an application uses to reference a data source object, such as a table or view. In a federated system, you use can nicknames to access data source objects and improve the performance of queries on remote data sources.
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.
How do I use federation in DB2?
How to use DB2 FEDERATION
- Step 1: Enable federation feature for you local database.
- Step 2: Create a drda wrapper.
- Step 3: Create server.
- Step 4: Create a mapping for remote server.
- Step 5: Create nickname for remote tables.
What is federated access to data?
Data federation is an aspect of data virtualization where the data stored in a heterogeneous set of autonomous data stores are made accessible to data consumers as one integrated data store by using on-demand data integration.
Can data be virtualized?
What is Data Virtualization? Data virtualization is a logical data layer that integrates all enterprise data siloed across the disparate systems, manages the unified data for centralized security and governance, and delivers it to business users in real time.