Datastage Interview Question

Multiple Blue Rings

DataStage is an ETL (Extract, Transform, and Load) tool. It’s a graphical notation that’s used to build/construct data integration solutions. 

What is a data stage?

Multiple Blue Rings

A data stage is a tool for designing, developing, and executing several applications to fill multiple tables in a data warehouse or data mart.  

1

How does Datastage 7.5 vary from Datastage 7.0?

Multiple Blue Rings

Many new stages, such as Procedure Stage, Command Stage, Generate Report, and others, have been added to Datastage 7.5.

2

What are the Functions and Types of Datastage Funnel Stages?

Multiple Blue Rings

The Funnel stage is a stage in processing. Multiple input data sets are copied to a single output data set.  

3

What are the different sorts of routines?

Multiple Blue Rings

Routines are a collection of functions that the DS manager defines. It can be accessed through the transformer stage. 

4

What is the Quality stage?

Multiple Blue Rings

The Integrity stage is also known as the Quality stage. It aids in the integration of numerous types of data from a variety of sources. 

5

What is the definition of job control?

Multiple Blue Rings

Job Control Language is the best way to execute job control (JCL). This tool is used to run numerous jobs at the same time without utilizing a loop. 

6

How does Datastage handle date conversion?

Multiple Blue Rings

For this, we can use Oconv (Iconv (Filename, “Existing Date Format”), “Another Date Format”), which is a data conversion function. 

7

In Datastage, how do you define APT CONFIG?

Multiple Blue Rings

It is the environment variable that is utilised in Datastage to identify the *.apt file. 

8

How Does Datastage Handle Discarded Rows?

Multiple Blue Rings

Constraints in the transformer handle the discarded rows in the Datastage. 

9

What is the best way to describe a project in Datastage?

Multiple Blue Rings

Datastage jobs, built-in apparatus, and Datastage Designer or User-Defined components are all included in a Datastage project. 

10

In Datastage PX, how do you construct parallel routines?

Multiple Blue Rings

Routines of this type can also be developed in DS management and invoked from the transformer stage. 

11