How do I return multiple values from an unconnected Lookup?
How do I return multiple values from an unconnected Lookup?
Call the Unconnected lookup from the expression transformation and use various output ports to retrieve the lookup values based on the concatenated return value. Use SUBSTR,INSTR to extract the column values from the concatenated return field.
Can a connected Lookup return multiple records?
1 a Lookup transformation return multiple rows. In previous versions the Lookup cannot be used to return multiple values for each row, only the first matched value or last matched value can be returned.
What happens when Lookup transformation finds multiple matches?
If there are multiple matches in the reference table, the Lookup transformation returns only the first match returned by the lookup query.
How do you handle multiple matches in Lookup transformation or what is Lookup policy on multiple match?
Handling Multiple Matches from Lookups in PowerCenter mappings
- Use the value in the first matching record in the lookup cache.
- Use the value in the last matching record in the lookup cache.
- Return an error.
What is the difference between connected and unconnected lookup?
Connected lookup receives input values directly from mapping pipeline, whereas UnConnected lookup receives values from the lookup expression from another transformation. A mapping in Informatica may contain Source, Transformations and Targets connected together are considered as a pipeline.
Can Lookup transformation returns multiple rows?
How do I configure Lookup as active transformation?
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 connected and UnConnected lookup?
When user enter multiple conditions the Informatica server evaluates each condition as?
When using multiple lookup conditions in lookup transformation, Informatica server evaluates each condition as an AND. Instead of AND, I have been asked to implement for an OR condition. Any suggest ions on this would be highly appreciated.
Why unconnected lookup is not dynamic?
Unconnected lookup cannot insert values into lookup cache file as it is not possible to find out from which part of the mapping flow and the transformation that is called from and how many number of times that is called. …
Is unconnected lookup active or passive?
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. You can use multiple Lookup transformations in a mapping.
How do I configure an unconnected lookup transformation?
To configure an unconnected Lookup transformation, select the Unconnected Lookupoption, add incoming fields, configure the lookup condition, and designate a return value. Then configure a lookup expression in a different transformation. 1. On the Generaltab of the Lookup transformation, enable the Unconnected Lookupoption.
How to return multiple lookup values in one comma separated cell?
Return Multiple Lookup Values In One Comma Separated Cell In Excel, we can apply the VLOOKUP function to return the first matched value from a table cells, but, sometimes, we need to extract all matching values and then separated by a specific delimiter, such as comma, dash, etc… into a single cell as following screenshot shown.
How to return more than one column using lookup SQL override?
Using Lookup SQL Override, we can able return more than one column. For example, i want to return DNAME AND LOC from unconnected lookup. DEPT.DNAME AS DNAME, DEPT.LOC AS LOC, DEPT.DEPTNO AS DEPTNO FROM DEPT.
How to retrieve lookup values from multiple ports in SQL?
So alternatively write an lookup sql override with the required ports values concatenated into a single string as return port value. Call the Unconnected lookup from the expression transformation and use various output ports to retrieve the lookup values based on the concatenated return value.