How do I merge records in Informatica?

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How do I merge records in Informatica?

To merge records:

  1. Select the Merge Manager tool in the Data Steward workbench, or start the Consolidate Records process from the Processes tab.
  2. In the Merge Manager setup screen, select the base object for which you want to merge records and then the package to use for displaying the data.

What is merge type in Informatica?

By default when a flat file data object has a file output type, each thread writes the target output to a separate file. You can merge target data for the partitions.

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Which transformation is used to combine data from different sources in Informatica?

Union transformation
The Union transformation merges data from multiple sources similar to the UNION ALL SQL statement.

How do I Union two tables in Informatica?

Creating union transformation

  1. Go the mapping designer, create a new mapping or open an existing mapping.
  2. Go to the toolbar-> click on Transformations->Create.
  3. Select the union transformation and enter the name.
  4. Go to the Groups Tab and then add a group for each source you want to merge.

How many mappings can be assigned to an session?

A session can have a single mapping at a time and once assigned, it cannot be changed. To execute a session task, it must be added to a workflow.

What is Joiner transformation?

Joiner transformation is an active and connected transformation. It provides the option of creating joins in the Informatica. By using the joiner transformation, the created joins are similar to the joins in databases. The joiner transformation is used to join two heterogeneous sources.

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Can we join a 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 Joiner Transformation in Informatica supports the following types of Joins. Normal>>>EQUI JOIN.

What is the difference between union and union all?

The only difference between Union and Union All is that Union extracts the rows that are being specified in the query while Union All extracts all the rows including the duplicates (repeated values) from both the queries.

What is the difference between union and joiner 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.

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What is the difference between and $$ in Informatica?

2 Answers. Actually $ means internal Parameter/Variable (such as $DBConnection prefix or $PMSessionLogDir) whereas $$ are used for user-defined parameters or variables (which could be defined at mapping or workflow/worklet level).

Why we use pushdown optimization in Informatica?

Pushdown Optimization is use to increase data processing performance extremely. Always processing data on database level is faster than processing data in Informatica level. Pushdown Optimization is a concept of push Informatica transformation logic on source or target when they are database table.