How do I add a link in DataStage?
How do I add a link in DataStage?
Right-click on the Sequential File stage on the left of your job and hold the right button down. A target is displayed next to the mouse pointer to indicate that you are adding a link. Drag the target to the Transformer stage and release the mouse button. A black line, which represents the link, joins the two stages.
What are links in DataStage?
Links are like pipes through which the data flows from one stage to the next. Links are used to specify how the data flows from one stage to another. Within InfoSphere® DataStage®, there are four types of links: Input link.
How do you create a reject link in DataStage?
Right-click the output link, then select the Convert to reject check box to convert the output link as a reject link. Open the stage editor, select the Reject tab. Select the relevant options under the Reject rows based on selected list to set the reject condition.
When would you use transformer’s reject link?
Transformer NULL Handling and Reject Link When evaluating expressions for output derivations or link constraints, the Transformer will reject (through the reject link indicated by a dashed line) any row that has a NULL value used in the expression.
What is the use of transformer 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.
What are the different stages for parallel and sequence job?
Parallel job stages and server job stages
| Stage name | Job type | Palette category |
|---|---|---|
| BASIC Transformer 3 | Parallel | Processing |
| Big Data File | Parallel | File |
| CDC Transaction | Parallel | Real Time |
| Change Apply | Parallel | Processing |
How do I capture a rejected record in Datastage?
To capture rejected duplicates use a Transformer. Partition and sort on your primary key. In a transformer keep the primary key stored in a Stage Variable. Compare incoming primary key to the stored primary key Stage Variable.
When would you use Transformer’s reject link?
What is DataStage certification training course?
CourseJet’s DataStage Certification Training Course helps you start a journey of excellence in Basics of Data Warehouse, Data Modeling, ETL Design Process, Data Stage Administrator, Data Stage Director, Data Stage Designer, Working With Parallel Job Stages, Advanced Stages In Parallel Jobs.
How many reference links can be used in the lookup stage?
EMp ID Salary Dept EmpName Quarter 1001 2000 IT AABB Q1 1001 3000 IT AABB Q2 1001 4000 IT AABB Q3 A point to be noted is that only one reference link in the lookup stage can return multiple rows. This can’t be done for more than one reference link and can only be done for in-memory lookups
What are the different stages of Infosphere DataStage?
Understanding the various job stages – data source, transformer, final database, the various parallel stages – general objects, debug and development stages, processing stage, file stage types, database stage, real time stage, restructure stage, data quality and sequence stages of InfoSphere DataStage.
What is the lookup stage in DataStage 8?
The lookup stage in Datastage 8 is an enhanced version of what was present in earlier Datastage releases. This article is going to take a deep dive into the new lookup stage and the various options it offers.
