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SQL Online Test - Fundamental Assessment
Clock
Test duration:
20
min
Notes
No. of questions:
10
Tie
Level of experience:
Entry-level/Mid/Senior

Database, SQL Fundamentals Test

Our SQL Online Test is the ideal pre-employment assessment for recruiters and hiring managers to hire job-fit candidates objectively and accurately. The pre-hire test is useful for hiring job roles such as SQL Developer, SQL Programmer, Data Administrator and Data Analyst. This test evaluates candidates’ knowledge on topics such as SQL Data Types, SQL Operations, Views, Indexes, Null, SQL Functions, DBMS Concepts. This skills assessment test can reduce hiring time by 40%.

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Assessed
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About

SQL Online Test - Fundamental Assessment

SQL (Structured Query Language) is used to manage relational database management system (RDBMS) and to perform various operations, such as execute queries, retrieve data, edit data, and insert new data—essentially, everything that makes databases interactive and not static.  SQL language is regularly used not only by database administrators, but also by developers writing data integration scripts, data architect designing, creating, deploying and managing an organization's data architecture, data analysts looking to set up and run analytical queries.  

What is an SQL online test?  

An SQL Online Test enables employers, hiring managers, and recruiters to assess the basic SQL knowledge of applicants who can write programs, functions, and queries to manage the data and the structure of the database.

The test is designed by experienced Subject Matter Experts (SME) to evaluate and hire SQL professionals as per industry standards.

Two important use cases for SQL assessment test

#1 Identifying job-fit candidates based on job roles

According to the job role, iMocha assists you in creating customized SQL online test.Our cooperative team of experts go through job descriptions and sets different levels of SQL assessment tests required for the role. Our team focuses on leveling up hiring job-fit candidates with our skill assessment.

#2 Skill-gap analysis of your employees

Our pre-and post-training assessments gives a clear picture on the areas of improvement of an individual. With the help of our assessments, you’ll be able to know about the learner’s growth. To make the learning process interesting and intuitive, iMocha platform can be integrated with a legacy LMS. Our SQL online test for interview help analyse the skill gap of an individual.

Use iMocha's assessment to hire skill fit, remove bias, and save money!
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How it works

Test Summary

SQL online test helps you to screen candidates who possess skills as follows:

  • Knowledge of SQL syntax and basic language elements.
  • Ability to write queries used for front-end applications and uncover helpful business insights. (Websites, desktop applications, or cloud apps).
  • Review query performance and optimize code.
  • Design and coding database tables to store the application’s data.
  • Knowledge of data modeling to visualize database structure.
  • Familiarity with stored procedures, and functions.

SQL online test can be customized, and a more advanced level question set can be added to evaluate experienced candidates.

Test Creation Process

Our SQL live coding test helps you assess candidate’s specific skills. At iMocha, assessments are produced by Subject Matter Experts based on their experience. For example: Database SQL experts create questions on Indexes, Queries, Views, Commands and Clause, etc.

Test Analytics Report

Recruiters can use intelligent and powerful test insights that will help them identify job-fit candidates more accurately with score distribution and section analysis features.

Test Question Format

SQL programming online test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, AI-LogicBox, Coding Simulators, True or False Questions, etc.

Test Design Guidelines

Basic SQL test for interview is designed considering EEOC guidelines, it will help you assess and hire diverse talent without any bias.

Test Duration
20
No. of Questions
10
Level of Expertise
Entry-level/Mid/Senior
Useful for hiring
  • SQL Developer
  • SQL Programmer
  • Database Administrator
  • Data Analyst
  • Data Architect
  • Database Manager
Topics Covered
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SQL Data Types and Literals

The pre-hire tests assess the knowledge of data types such as int, tinyint, bigint, float, real, etc.

Views

The SQL online test checks understanding of virtual tables to fetch data from the database.
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SQL Tables

iMocha’s SQL online test helps you gauge knowledge of logically organized data in a row & column format.
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SQL operators

The AI-based skills test evaluates an applicant’s ability to perform comparisons & arithmetic operations.
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SQL Functions

The pre-employment test helps determine a candidate’s knowledge of SQL functions like Aggregate and Scalar.
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Queries

The test contains questions on all types of queries that fetch data from the database.
Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.

Question types :

Multiple Option

Topic:

Difficulty:

Hard


Q 1. You have been asked to train « Naive Bayes model for spam detection dataset

Using Python command, what wil you add in the given code at XXXX to deciore, it and train your modal for the given dataset?

import numpy os np

X= nporroyll 3. 2b[1 21 [2.21.[3,21)
Y= nporray(fi.a,a.1))

XXXX

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

Question types :

Multiple Option

Topic:

Machine teaming

Difficulty:

Hard


Q 1. Q2 Lets assume that you have 6 Pandas DataFrome(af) in the below tole.

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074

When the following commend is executed, what hoppens to the DatoFrome?

df= defiinat()
Y= nporray(fi.a,a.1))

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
it gives an error becouse of the third row which has on empty string.
None of these

Question types :

Multiple Option

Topic:

Data Integrity

Difficulty:

Easy

Question:

You are creating a table that includes a column named "TypeName". The column is defined with the CHAR (10) data type and requires a UNIQUE constraint, which you will define as a column constraint. Which of the following SQL codes should you use for the column definition?


Options

  • TypeName UNIQUE CHAR (10)
  • UNIQUE TypeName CHAR (10)
  • TypeName CHAR (10)
  • TypeName CHAR (10) UNIQUE
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You can customize this test by
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Setting the difficulty level of the test

Choose easy, medium, or tricky questions from our skill libraries to assess candidates of different experience levels.
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Combining multiple skills into one test

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Adding your own
questions to the test

Add, edit, or bulk upload your coding, MCQ, and whiteboard questions.
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Requesting a tailor-made test

Receive a tailored assessment created by our subject matter experts to ensure adequate screening.

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Now my team of 25 recruiters has adopted this measure and it has done wonders for our clients. Thanks to the Customer Success Team of iMocha. They have shared the best practices of quick test creation and also helped us in training all our recruiters for various functionalities of the tool.
Client

Vipin Sharma,

Mobile Programming
FAQ
What is Data Science?
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.NET Design Pattern test helps recruiters to evaluate candidates' ability to work on GOF Decorator Design Pattern to solve recurring design problems and design flexible and reusable object-oriented software

Why use iMocha’s online data science test?
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What are the key skills that recruiter should look for while hiring a Data Scientist?
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What are few interview questions that recruiter/hiring manager should ask while hiring a data scientist?
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How do you assess the data scientists?
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How does a SQL online test help recruiters hire candidates?
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Our SQL online test help recruiters hire in many ways. With the help of our skill library assessment, they can access candidates in a short period of time. Also, our skill assessment platform allows you to customize assessments to create tests as per your specific needs. Our skill assessment platform saves precious time of recruiters while reducing the workload.

Which certification should a recruiter look for Database SQL Developer?
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Some of the certifications for Database SQL Developer:

  • Microsoft Certified: Azure Data Fundamentals
  • IBM Certified Database Associate
  • Oracle Database SQL Certified Associate Certification
  • Oracle Certified Professional, MySQL 5.7 Database Administrator Certification
  • EDB PostgreSQL 12 Associate Certification

What are the roles and responsibilities of SQL Developer?
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Listed below are some of the roles and responsibilities of SQL Developer:

  • Should be able to improve application performance
  • Should know how to prepare documentation for database applications
  • Should be able to develop tables, database schemas, and dictionaries
  • Should provide authentication and authorizations for database
  • Should be able to develop best practices for database design and development activities

What are the required skillsets for this role?
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Here are some of the required skillsets for SQL developer are:

  • They should have knowledge in OS like UNIX
  • They must know one programming language
  • They should have good understanding of front-end languages
  • They should have a proficiency in SQL

What are the common interview questions for this role?
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Some of the common interview questions for the SQL Developer are:

  • When to use sh, ksh, or bash, % for csh or tcsh prompts in SQL Programs?
  • What is the difference between Physical (Raw) Versus Logical Backups?
  • How to use mysqldump for Backups?
  • How to access SQL Data Directory?
  • What are the common SQL Server Logs problems?

What tools and platforms SQL entry level professionals use?
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Listed below are some of the tools and platforms:

  • Adminer database management
  • dbeaver Universal database tool
  • Microsoft SQL Server Management
  • RazorSQL query tool
  • SQuirreL SQL IDE
  • Datapine SQL Editor
  • MySQL Workbench
  • Valentina Studio, etc

What is the package of SQL Developer?
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The average salary of SQL Developers is $93,334 in United States. Besides, the average annual pay for an Entry Level SQL Developer is $54,199 per year.