What types of ports are supported in Informatica?
Data Processor Transformation Input Ports. Service Parameter Ports. Creating Service Parameter Ports.
Can we do ranking on two ports if yes explain how?
No. We can specify to rank the data based on only one port.
What are ports in Informatica?
A port which can store the data temporarily is known as the variable port in Informatica, which is represented as (V) A variable port is required to “simplify the complex expression” it improves the performance of calculations. A variable ports are not visible in the “Normal view”.
What are the ports in transformation for Informatica?
Transformations receive the data from input ports and send the data out using output ports. Variable ports temporarily store the value while processing the data. Double-click on the transformation and click on Ports to open the edit view and see the input, output, and variable ports.
How many ports can be mark for grouping in a rank transformation?
Ports in a Rank Transformation
| Ports | Number Required |
|---|---|
| I | 1 Minimum |
| O | 1 Minimum |
| V | not needed |
| R | Only 1 |
How many ports can be used for grouping in rank transformation?
You can check the Rank (R) option for only one port. Optionally you can create the groups for ranked rows. select the Group By option for the ports that define the groups.
How many ports are marked for grouping in rank transformation?
Click Transformation > Create. Select Rank transformation. Enter a name and click Done. You will see one port RANK INDEX port already there.
Which transformations have variable ports?
We can use variable port in the following transformations.
- Expression Transformation.
- Aggregated transformation.
- Rank Transformation.
Why do we use variable port in Informatica?
Variable ports temporarily store the value while processing the data. Double-click on the transformation and click on Ports to open the edit view and see the input, output, and variable ports. You can disable or enable input or output ports based on the requirement.
Which transformations can work without input port?
A transformation which is not part of mapping data flow direction is known as unconnected transformations. It is nether connected to source nor connected to the target. An unconnected transformation can receive the multiple input ports, but provides “single output port”.
What is rankrank transformation in Informatica?
Rank Transformation in Informatica is an important transformation feature that is built-in functionality to rank the data based upon the business requirements. It is an active type of transformation in Informatica. It organizes the data through ranges and generates top or bottom ranks.
What are transformation ports?
Transformation ports are the individual columns of data that you connect in a mapping or mapplet. Transformations receive the data from input ports and send the data out using output ports. Input/output ports receive data and pass it unchanged. Every input object, output object, mapplet, and transformation contains a collection of ports.
How does the rankindex port work?
The RANKINDEX is an output port only. You can pass the rank index to another transformation in the mapping or directly to a target. If two rank values match, they receive the same value in the rank index and the transformation skips the next value.
How do I use a rank transformation?
Use a Rank transformation to return the largest or smallest numeric value in a port or group. You can also use a Rank transformation to return the strings at the top or the bottom of a session sort order. The Designer creates a RANKINDEX port for each Rank transformation.