Greenplum Skills Test

Candidates Assessed


Organizations Served


iMocha's Greenplum skills test is the most preferred tech assessment for recruiters and hiring managers to assess candidates objectively. Our test is useful for hiring job roles like Project Lead- greenplum and Big Data Developer. This Greenplum assessment test helps recruiters to increase interview-to-selection ratio by 62% & reduce hiring cost by 40%

About Greenplum Skills Test

Greenplum is a big data technology based on MPP architecture and the Postgres open source database technology. Greenplum reduces data silos by providing you with a single, scale-out environment for converging analytic and operational workloads, like streaming ingestion. All major Greenplum contributions are part of the Greenplum Database project and share the same database core, including the MPP architecture, analytical interfaces, and security. 

Greenplum skills test may contain coding questions and innovative AI-LogicBox (Pseudo coding platform) questions to assess a candidate's coding skills in a fun & quick way. 

Are you a jobseeker looking to sharpen your skills?

Test Summary

Greenplum skills test helps to screen the candidates who possess traits as follows:
  • Strong knowledge of databases in Greenplum
  • Good knowledge with Greenplum catalogs, Greenplum parameters, etc 
  • Experience with Greenplum maintenance and security procedures
  • Familiarity with hash function, MVCC, redistribution motions, etc in Greenplum
iMocha’s Greenplum assessment test is secure and reliable. You can use our role-based access control feature to restrict system access based on the roles of individual users within the recruiting team. 

Test Duration: 20 minutes

No. of Questions: 10

Level of Expertise: Entry/Mid/Senior

Useful for hiring

  • Project Lead - Greenplum
  • Big Data – Greenplum

Topics Covered

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Greenplum Database

Our test assesses candidate's knowledge of an advanced, fully featured, open source data platform that provides powerful and rapid analytics on petabyte scale data volumes

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Greenplum Catalog

iMocha's pre-hire test evaluates candidate's understanding of Greenplum catalog that contains Information about all objects and their associated dependencies are stored in the catalog

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Greenplum Maintenance

The test checks knowledge of the process of periodically checking status of Greenplum Database catalogs for bloat, and VACUUM-ing the catalog as appropriate

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MVCC in Greenplum

Our Greenplum skills tests evaluates candidate's knowledge of Multiversion Concurrency Control (MVCC) model to manage concurrent transactions for heap tables. It controls a database management system and allows concurrent queries to complete with correct results while ensuring the integrity of the database

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Sample Questions

Choose from our 100,000+ question library or add your own questions to make powerful custom tests

Question types:

Multiple Option


GP catalogs - gp_segment_configuration



Q 1. You are working in the Greenplum DBA and want to see primary to mirror mapping and configuration on the content ID and figure out the primary and mirror for each content on the cluster. Which of the following queries will you use here and on which database catalog should it be used?
Select * from segment_configuration order by dbid;
Select * from gp_seg_configuration order by dbid;
Select * from gp_configuration_history order by dbid;
Select * from gp_segment_configuration order by dbid;

Question types:

Multiple Option


GP parameters - search_path



Q 2. You are working in the Greenplum DBA and have to set the default schema for a user's profile. Which of the following queries will help you to set the default schema?
ALTER ROLE user_name SET schema TO myschema, public, pg_catalog;
ALTER ROLE user_name SET default schema TO myschema, public, pg_catalog;
ALTER ROLE user_name SET search_path TO myschema, public, pg_catalog;
Grant role role_name SET search_path TO myschema, public, pg_catalog;

Sample Report

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Skill wise performance report by iMocha

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You can customize this test by

difficulty level
Setting difficulty level of test      

Choose easy, medium or hard questions from our skill libraries to assess candidates of different experience levels.                       

multiple skills
Combining multiple skills into one test

Add multiple skills in a single test to create an effective assessment. Assess multiple skills together.                                              

adding own skill
Adding your own questions to the test

Add, edit or bulk upload your own coding questions, MCQ, whiteboarding questions & more.                       

tailor made test
Requesting a tailor-made test                  

Get a tailored assessment created with the help of our subject matter experts to ensure effective screening.

Trusted By

Vipin Sharma, Mobile Programming
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“Thanks to Customer Success Team of iMocha, they have shared the best practices of quick test creation & also helped us in training all our recruiters for various functionalities of the tool. Now my team of 25 recruiters has adopted this measure & it has done wonders for our clients.”

Vipin Sharma, Mobile Programming

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