Can we join flat file and table in Informatica?
Example : An Oracle table and a DB2 table, A flat file and database table, Two flat files. If you can perform a join on the source database, then you can configure it in the Source Qualifier. The SQL that the source qualifier generated, default or custom, executes on the source database at run time.
Can you perform join in flat file source and database table as another source?
NO, friend if ur source is a flat file then u cant go for SQL override. To join a flat file with DB, or to join two flat files u need the joiner transformation.
Can we perform join on flat files?
The only way to join two flat file is joiner transformation,if the structure of the two flat file is same and the datatypes also matches we can use union transformation, but it wont join the flat files, it will merge the flat flies.
How do I merge two flat files in Informatica?
In informatica developer you can use a jointer transformation to join source data from two related heterogeneous sources the jointer transformation joins sources with at least one matching column and
Can we use joiner transformation for flat files?
Yes you can use joiners with flat files too.
How do I join two sources in Informatica?
Joining and Merging sources in Informatica PowerCenter
- Normal Join -> Inner Join in SQL.
- Master Outer Join -> Left Outer Join in SQL.
- Detail Outer Join -> Right Outer Join in SQL.
- Full Outer Join.
How do I join multiple sources in Informatica?
To join more than two sources in a mapping, you can use multiple Joiner transformations. You can join the output from the Joiner transformation with another source pipeline. You can add Joiner transformations to the mapping until you join all source pipelines.
Can we join two flat files using Joiner transformation?
This process can even be done by giving indirect option in the session level (file properties) which will run both the files one after the other. Joiner type can be selected on the properties tab of the transformation properties.
What are the types of joins in Informatica?
In Informatica, the following joins can be created using joiner transformation, such as:
- Master outer join. In Master outer join, all records from the Detail source are returned by the join, and only matching rows from the master source are returned.
- Detail outer join.
- Full outer join.
- Normal join.
How many tables or files can we join at one time in the joiner transformation?
The joiner transformation is used to join two heterogeneous sources.
What are different types of joins in Joiner in Informatica?
The Joiner Transformation in Informatica is used to perform SQL Joins. There are four types of Joins in Informatica: Inner Join (Normal Join), Master Outer Join, Detail Outer Join, and Full Outer Join.
Can we join 3 tables in Informatica?
The JOINER transformation available in informatica cloud mapping can be used to join more than two sources in a mapping . To join more than two sources in a mapping, you can use multiple Joiner transformations. You can join the output from the Joiner transformation with another source pipeline.
How do I join 4 tables in Informatica?
- Step 1 – Create a new target table EMP_DEPTNAME in the database using the below script and import the table in Informatica targets.
- Step 2 – Create a new mapping and import source tables “EMP” and “DEPT” and target table which we created in the previous step.
- Step 3 – From the transformation menu, select create option.
How many types of JOINs in Informatica?
There are four types of Joins in Informatica: Inner Join (Normal Join), Master Outer Join, Detail Outer Join, and Full Outer Join. Joiner Transformation in Informatica is very useful to load data into the Dimension tables in Data Warehouse.