How do you use XML input stage in DataStage?

You can transform hierarchical XML data to flat relational tables using the XML Input stage. You can extract XML data from a variety of repositories, from documents that you edit with a text editor to a single column in a multi-column table. XML Input supports a single input link and one or more output links.

What is XML stage DataStage?

Use the XML stage to parse, compose, and transform XML data. The XML stage is available in the Real Time section of the palette in the IBM® InfoSphere® DataStage® and QualityStage® Designer. You can use the XML stage in server jobs and in parallel jobs.

Which is a typical application of DataStage?

DataStage (DS) is an ETL tool that can extract data, transform it, apply business principles and then load it to any specific target. It is a part of IBM’s Information Platforms Solutions suite and also that of InfoSphere. DataStage makes use of graphical notations for constructing data integration solutions.

How do I import an XML file into DataStage?

Procedure

1. Choose Import > DataStage Components… to import components from a text file or Import > DataStage Components (XML) to import components from an XML file.
2. Type in the path or browse for the file to import from.
3. To import objects from the file into the repository, select Import all and click OK.

What is hierarchical stage in DataStage?

Hierarchical stage in DataStage is used to parse or compose XML (Extensible Markup Language) and JSON data. This stage was introduced in Version 11.3. When we have huge amounts of data to work with, then Hierarchical stage is preferred over XML packs.

What is external source stage in DataStage?

The External Source stage is a file stage that allows you to read data that is output from one or more source programs. The stage calls the program and passes appropriate arguments. The stage can have a single output link, and a single rejects link. It can be configured to execute in parallel or sequential mode.

What is FTP stage?

The FTP Enterprise stage transfers multiple files in parallel. This stage invokes an FTP client and transfers the files to and from a remote host. These are sets of files that are transferred from one or more FTP servers into InfoSphere® DataStage® or from InfoSphere DataStage to one or more FTP servers.

What are the key elements of DataStage?

Three components comprise the DataStage client:

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

What are the different stages in DataStage?

DataStage provides three types of stages:

• Server Job Database Stages.
• Server Job File Stages.
• Dynamic Relational Stages.
• Processing Stages.

How do I import jobs into DataStage?

Steps to Import a . DSX File

1. In DataStage Designer, select Import, DataStage Components from the menu. The DataStage Repository Import window displays.
2. Click the Import from file browse button to locate the . dsx file you want to import.
3. Select Import All and click OK to import the file.

How do I read a mainframe file in DataStage?

Files from a mainframe are usually saved as binary files and sFTPed to some server where DataStage can access them. The binary files alone are not enough for DataStage to read the contents….

1. Create job layout.
2. Add COBOL copybook as a table definition.
3. Customize the job.
4. Compile, run, view output.

How do I read a JSON file in DataStage?

(2) DataStage needs to know the schema of the JSON file that you are transforming. To add JSON schema, go to the Libraries tab in the Assembly Editor, click New Library and import the JSON file. (3) Go back to the Assembly Editor tab. Click ‘Palette’ and add ‘JSON Parser Step’ between Input Step and Output Step.

Which is the external source stage in DataStage?

In this article we will see two important stages in Datastage with a simple scenario: 1. XML Input Stage in Datastage 2. External Source Stage Here External Source stage used to read the XML file path stored. Advantge of External Source is, we can use unix commands to list or read files.

How to configure the XML stage in DataStage?

Tip: If your XML contains namespaces and is a large document I’d advise you to first import the XML definitions into Datastage, and then while configuring the XML stages, you should import the namespace declarations as well as the column definitions and XPATHS from the imported XML definition. This should make you configuration tasks much easier.

How is external source stage used in XML?

Here External Source stage used to read the XML file path stored. Advantge of External Source is, we can use unix commands to list or read files. This file path is used to convert data stored in XML file in tabular format. Let’s study these two stages in detail by implementing above scenario step by step.

How is the XML input stage used in palette?

For this purpose we use the XML Input stage that is part of the real time processing stages in the palette section. The best way to explain how to use this stage is by an example. Let’s have a look at the XML I created for this purpose. The XML file is read by means of a sequential file stage.