PostgreSQL Online Test

Candidates Assessed

10106+

Organisations Served

125+

Our PostgreSQL Online Test is the preferred pre-employment test for recruiters and hiring managers to hire job-fit candidates for roles such as PostgreSQL Database Administrator, PostgreSQL Database Developer and Senior Database Administrator. PostgreSQL Online Test reduces time-to-hire by 45% by filtering out irrelevant candidates. 

PostgreSQL Test

About PostgreSQL Online Test

PostgreSQL is an open-source object-relational database system. It has a strong reputation for data integrity, reliability, and robust features. PostgreSQL runs on major operating systems like UNIX, LINUX, Solaris, UX, etc. It supports all triggers, views, foreign keys, stored procedures, internationalization, functions and is ACID compliant. 
 
PostgreSQL Online Test helps tech recruiters and hiring managers to assess PostgreSQL programming skills of the candidate. This pre-employment test is designed by experienced subject matter experts (SME) to assess & hire PostgreSQL experts as per the industry standards. 

Are you a jobseeker looking to sharpen your skills?

Test Summary

PostgreSQL online test helps you to screen the candidates who possess traits as follows: 

  • Ability to write database code efficiently 
  • Ability to work with SQL & query optimization 
  • Strong knowledge of PostgreSQL commands, relational data model, PL SQL, SQL Table 
  • Ability to build and maintain scalable ETL pipelines 


PostgreSQL Online Test has a set of questions crafted by industry experts to cope with recent developments in technology. Moreover, you can ask us to add customized questions as per the job description. 
 
This skills assessment may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, LogicBox (AI-based Pseudo-Coding Platform), Coding Simulators, True or False Questions, etc.   

Test Duration: 20 minutes

No. of Questions: 10

Level of Expertise: Entry-level/Mid/Senior

Useful for hiring

  • PostgreSQL Database Administrator
  • PostgreSQL Database Developer
  • Senior Database Administrator-PostgreSQL

Topics Covered


SQL Statement

The online pre-hire tech skills test allows you to evaluate candidate’s ability to work on SQL statement  .

SQL Transaction

iMocha’s PostgreSQL online test contains questions to check knowledge of a logical unit of work that contains one or more SQL statements .

PostgreSQL Commands

The tech skills pre-hire test assesses candidate’s PSQL commands skills to query data from the PostgreSQL database server faster and more effectively .

Relational data model

The online tech assessment enables you assess Relational Model skills to manage data using a structure and language consistent with first-order predicate logic .

Sample Questions

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

Question types:

Multiple Answer

Topic:

PostgreSQL Commands

Difficulty:

Easy


Q 1. Select the CORRECT statements that describe what occurs on the client side when the following command is executed:
pg_ctl -m smart stop

Note: There can be multiple correct answers to this question.
Clients will not be able to make new connections.
The running transaction for a connected client is rolled back and the connection is disconnected forcibly.
Connections are terminated after the currently running transactions have finished.
The processes of currently connected clients are processed normally.
Connected clients receive a message saying that the server will soon be shut down.

Question types:

Multiple Option

Topic:

PostgreSQL Queries

Difficulty:

Medium


Q 2. The tables "t1" and "t2" are defined below.
The tables "t1" and "t2" have columns "id" which are type of INTEGER and column "name"s which are type of TEXT.
t1
t2

The following SQL command was executed.
SELECT * FROM t1 NATURAL FULL OUTER JOIN t2;

What will be the number of rows in the result?
2 rows
3 rows
4 rows
5 rows
6 rows

Sample Report

View Full Report . . .

Skill wise performance report by iMocha

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You can customize this test by

Setting difficulty level of test      

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

Combining multiple skills into one test

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

Adding your own questions to the test

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

Requesting a tailor-made test                  

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

Related Skills

Trusted By

Megan Akhras, Co-founder & director, JExcelle, Canada
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“We are a tutoring agency, wherein the crux of our business lies in the quality of the tutors we hire. Hence it is imperative that our hiring is top notch. We were impressed by the caliber, depth, and breadth of the assessments provided by iMocha. With iMocha, we have found a great assessment tool for our hiring requirements.”

Megan Akhras, Co-founder & director, J'Excelle, Canada

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