How to use Modify stage in DataStage?

The Modify stage alters the record schema of its input data set. The modified data set is then output. You can drop or keep columns from the schema, or change the type of a column….Modify stage

1. Stage Page. This is always present and is used to specify general information about the stage.
2. Input Page.
3. Output Page.

What is copy stage in DataStage?

The Copy stage is a processing stage. The Copy stage copies a single input data set to a number of output data sets. Each record of the input data set is copied to every output data set. …

Where do you see different stages in DataStage?

Datastage and QualityStage stages are sorted into the below logical sections:

• General Objects.
• Stages of Data Quality.
• Development and Debug Stages.
• Database connectors.
• Restructure stages.
• Real-time stages.
• Debug and Development stages.
• Sequence activities.

What are the DataStage client components?

Three components comprise the DataStage client:

• DataStage Administrator.
• DataStage Designer.
• DataStage Director.

How do I add a column in Datastage?

About this task

1. Select the link, then click the load column definition button in the toolbar to open the standard load columns dialog box.
2. Use drag-and-drop or copy and paste functionality to create a new column by copying from an existing column on another link.
3. Use the shortcut menus to create a new column definition.

What is the use of transformer stage in Datastage?

The Transformer stage is a processing stage. It appears under the processing category in the tool palette. Transformer stages allow you to create transformations to apply to your data. These transformations can be simple or complex and can be applied to individual columns in your data.

How do I remove duplicates in Datastage?

The Remove Duplicates stage is a processing stage. It can have a single input link and a single output link. The Remove Duplicates stage takes a single sorted data set as input, removes all duplicate rows, and writes the results to an output data set.

What is funnel stage in Datastage?

The Funnel stage is a processing stage that copies multiple input data sets to a single output data set. You can use this operation for combining separate data sets into a single large data set. The Funnel stage is a processing stage. It copies multiple input data sets to a single output data set.

What is the difference between join merge and lookup stage?

The Merge stage can have any number of input links, single output links and the same number of reject output links as the update input links. A master record and an update record are merged only if both of them have the same values for the specified merged key. In another word, merge stage does not do range lookup.

How many reject links can you have with the merge stage?

The Merge stage is a processing stage. It can have any number of input links, a single output link, and the same number of reject links as there are update input links. The Merge stage is one of three stages that join tables based on the values of key columns.

What is DataStage repository?

The metadata repository is a shared component that stores design-time, runtime, glossary, and other metadata for product modules in the InfoSphere Information Server suite.

Is DataStage an ETL tool?

IBM InfoSphere DataStage is an ETL tool and part of the IBM Information Platforms Solutions suite and IBM InfoSphere. It uses a graphical notation to construct data integration solutions and is available in various versions such as the Server Edition, the Enterprise Edition, and the MVS Edition.