What is incremental update in ODI?
The Incremental Update strategy is used to integrate data in the target table by comparing the records of the flow with existing records in the target according to a set of attributes called the “update key”. Records that have the same update key are updated when their associated data is not the same.
How incremental load is implemented in ODI?
- Minimum Components Required.
- Install and Configure ODI.
- Create and Test the Data Server Connection.
- Create a New Physical Schema.
- Set Up the Physical Agent for Context CTX_ARGUSMART.
- Validate the Load Plan.
What is difference between control append and incremental update in ODI?
Control Append: Optionally delete all records in the target datastore and insert all the flow into the target. This strategy includes an optional flow control. Incremental Update: Optionally delete all records in the target datastore.
What is control append in ODI?
Control Append – Does same operation as Append, but in addition data flow can be checked by setting flow control property. A flow control is used to check the data quality to ensure that all references are validated before loading into target. Incremental Update – Used for performing insert and update.
What is incremental loading?
Incremental loading is the activity of loading only new or updated records from a source into Treasure Data. Incremental loads are useful because they run efficiently when compared to full loads, and particularly for large data sets. Incremental loading is available for many of the Treasure Data integrations.
What is C$ table in ODI?
The temporary tables used to store data that is loaded from a source, across the network, and into a target, known as C$ or Loading tables, are generated by the ODI Substitution API called from within a Knowledge Module step.
What is IKM in ODI?
ODI – (Load|Integration) Knowledge Module (IKM) They are used to integrate (load) data into the target. integrate = load. In a the design of an interface, you have to choose the way in which to proceed by choosing a Integration Loading Strategies : IKM SQL Incremental Update.
How do you incrementally load data?
What is incremental update in SQL?
An Incremental update adds new records to a project data set from a source Hive table.