What is the difference between active and passive transformation in Informatica?

What is the difference between active and passive transformation in Informatica?

A transformation can be active or passive. An active transformation can change the number of rows that pass through the transformation. A passive transformation does not change the number of rows that pass through the transformation.

What are the different types of transformations in Informatica?

There are 3 Informatica transformations viz. External Procedure, Lookup, and Stored Procedure which can be unconnected in a valid mapping (A mapping which the Integration Service can execute).

Why expression transformation is passive in Informatica?

How is Expression Transformation passive? A passive transformation in Informatica does not change the number of rows that pass through the transformation. It also maintains the transaction boundary and the row type. Therefore, Expression Transformation is passive because it does not change the number of output rows.

Is sorter an active or passive transformation?

The Sorter transformation is an active transformation. You can use the Sorter transformation to increase performance with other transformations. For example, you can sort data that passes through a Lookup or an Aggregator transformation configured to use sorted incoming fields.

What all are passive transformation in Informatica?

The following are the list of passive transformations used for processing data:

• Expression Transformation in Informatica.
• Sequence generator transformation in Informatica.
• Stored procedure transformation in Informatica.
• Lookup Transformation in Informatica.
• XML source qualifier transformation in Informatica.

Which of the following are active transformations?

Active Transformation – An active transformation changes the number of rows that pass through the mapping.

• Source Qualifier Transformation.
• Sorter Transformations.
• Aggregator Transformations.
• Filter Transformation.
• Union Transformation.
• Joiner Transformation.
• Normalizer Transformation.
• Rank Transformation.

Why rank is active transformation in Informatica?

Rank is an active and connected transformation that performs the filtering of data based on the group and ranks. In Informatica, it is used to select a bottom or top range of data. While string value ports can be ranked, the Informatica Rank Transformation is used to rank numeric port values.

What are the passive transformation in Informatica?

Passive transformations are those who does not change the number of input rows. In passive transformations the number of input and output rows remain the same, only data is modified at row level. In the passive transformation, no new rows are created, or existing rows are dropped.

What is difference between Joiner and union transformation in Informatica?

A Union transformation can merge data from multiple sources but does not combine data based on a join condition or remove duplicate rows, like a Joiner transformation. The Joiner transformation supports Normal, Right Outer, Left Outer, and Full Outer JOINs. Include multiple input groups. Yes.

Is lookup active or passive in Informatica?

When you configure the Lookup transformation to return a single row, the Lookup transformation is a passive transformation. When you configure the Lookup transformation to return multiple rows, the Lookup transformation is an active transformation.

What is the difference between active and passive transformation?

There are two type of transformations, passive and active transformations. Passive Transformations that do not change rows’ count. What gives passive transformation as input, it gives as output. Active Transformations that change the rows’ count. The number of input rows in source is not equal to output rows in target.

What is a passive transformation in Informatica?

A passive transformation does not change the number of rows that pass through the transformation. You can connect multiple branches to a downstream passive transformation when all transformations in the branches are passive. Which of the following is passive transformation in Informatica?

What is an active transformation in SQL?

An active transformation changes the number of rows that pass through a transformation. Or, it changes the row type. For example, the Filter transformation is active, because it removes rows that do not meet the filter condition. The Update Strategy transformation is active, because it flags rows for insert, delete, update, or reject.

What is transformation in Informatica powercenter?

In this article, i tell something about acitve and passive transformation of informatica powercenter. Reading, manupulating and loading data is called transformation in informatica. Each transformations perform specific functions. There are two type of transformations, passive and active transformations.